diff --git a/BRANCHES.md b/BRANCHES.md
index df7eb0d5..dc4f4ac4 100644
--- a/BRANCHES.md
+++ b/BRANCHES.md
@@ -4,7 +4,7 @@ Installing from branches
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/CERTIFICATES.md b/CERTIFICATES.md
index 3eae6c5c..0e0a8671 100644
--- a/CERTIFICATES.md
+++ b/CERTIFICATES.md
@@ -4,7 +4,7 @@ Certificate name from browser
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/CONTRIBUTIONS.md b/CONTRIBUTIONS.md
index c7e05b21..00861c18 100644
--- a/CONTRIBUTIONS.md
+++ b/CONTRIBUTIONS.md
@@ -4,7 +4,7 @@ Past Contributions
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/DEBUG.md b/DEBUG.md
index 69c1eaa3..66bf728a 100644
--- a/DEBUG.md
+++ b/DEBUG.md
@@ -4,7 +4,7 @@ Debug output and logs
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/INITIAL-COMMANDS.md b/INITIAL-COMMANDS.md
index eb06ad29..e580bc53 100644
--- a/INITIAL-COMMANDS.md
+++ b/INITIAL-COMMANDS.md
@@ -4,7 +4,7 @@ Initial commands
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/README.md b/README.md
index f9149217..d111b8e7 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ RouterOS Scripts
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
@@ -50,7 +50,7 @@ temporarily.
 
 > 💡️ **Hint**: If in doubt have a look at the badge at the top of each
 > page showing the minimum version required:
-> ![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)
+> ![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)
 
 > ℹ️ **Info**: The `main` branch is now RouterOS v7 only. If you are still
 > running RouterOS v6 switch to `routeros-v6` branch!
diff --git a/accesslist-duplicates.capsman.rsc b/accesslist-duplicates.capsman.rsc
index c7784f3b..0d7a4386 100644
--- a/accesslist-duplicates.capsman.rsc
+++ b/accesslist-duplicates.capsman.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2018-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # print duplicate antries in wireless access list
 # https://rsc.eworm.de/doc/accesslist-duplicates.md
diff --git a/accesslist-duplicates.local.rsc b/accesslist-duplicates.local.rsc
index 0eee485b..080ce72d 100644
--- a/accesslist-duplicates.local.rsc
+++ b/accesslist-duplicates.local.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2018-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # print duplicate antries in wireless access list
 # https://rsc.eworm.de/doc/accesslist-duplicates.md
diff --git a/accesslist-duplicates.template.rsc b/accesslist-duplicates.template.rsc
index e780a475..15e96a99 100644
--- a/accesslist-duplicates.template.rsc
+++ b/accesslist-duplicates.template.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2018-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # print duplicate antries in wireless access list
 # https://rsc.eworm.de/doc/accesslist-duplicates.md
diff --git a/accesslist-duplicates.wifi.rsc b/accesslist-duplicates.wifi.rsc
index c0a8b4f9..7696f6cc 100644
--- a/accesslist-duplicates.wifi.rsc
+++ b/accesslist-duplicates.wifi.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2018-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # print duplicate antries in wireless access list
 # https://rsc.eworm.de/doc/accesslist-duplicates.md
diff --git a/backup-cloud.rsc b/backup-cloud.rsc
index e5f25d34..4d8830b6 100644
--- a/backup-cloud.rsc
+++ b/backup-cloud.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: backup-script, order=40
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # upload backup to MikroTik cloud
 # https://rsc.eworm.de/doc/backup-cloud.md
diff --git a/backup-email.rsc b/backup-email.rsc
index c12942a2..317242b1 100644
--- a/backup-email.rsc
+++ b/backup-email.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: backup-script, order=20
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # create and email backup and config file
 # https://rsc.eworm.de/doc/backup-email.md
diff --git a/backup-partition.rsc b/backup-partition.rsc
index a9f11a59..5f8a635e 100644
--- a/backup-partition.rsc
+++ b/backup-partition.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: backup-script, order=70
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, scheduler
 #
 # save configuration to fallback partition
diff --git a/backup-upload.rsc b/backup-upload.rsc
index cae67bfa..f27032c4 100644
--- a/backup-upload.rsc
+++ b/backup-upload.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: backup-script, order=50
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch
 #
 # create and upload backup and config file
diff --git a/capsman-download-packages.capsman.rsc b/capsman-download-packages.capsman.rsc
index 838f41b9..ff91e7ca 100644
--- a/capsman-download-packages.capsman.rsc
+++ b/capsman-download-packages.capsman.rsc
@@ -4,7 +4,7 @@
 #                         Michael Gisbers <michael@gisbers.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # download and cleanup packages for CAP installation from CAPsMAN
 # https://rsc.eworm.de/doc/capsman-download-packages.md
diff --git a/capsman-download-packages.template.rsc b/capsman-download-packages.template.rsc
index 1d31eb5a..7f0a4b47 100644
--- a/capsman-download-packages.template.rsc
+++ b/capsman-download-packages.template.rsc
@@ -4,7 +4,7 @@
 #                         Michael Gisbers <michael@gisbers.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # download and cleanup packages for CAP installation from CAPsMAN
 # https://rsc.eworm.de/doc/capsman-download-packages.md
diff --git a/capsman-download-packages.wifi.rsc b/capsman-download-packages.wifi.rsc
index 242bb0c8..d65a4aec 100644
--- a/capsman-download-packages.wifi.rsc
+++ b/capsman-download-packages.wifi.rsc
@@ -4,7 +4,7 @@
 #                         Michael Gisbers <michael@gisbers.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # download and cleanup packages for CAP installation from CAPsMAN
 # https://rsc.eworm.de/doc/capsman-download-packages.md
diff --git a/capsman-rolling-upgrade.capsman.rsc b/capsman-rolling-upgrade.capsman.rsc
index bb1b17b1..81ce0152 100644
--- a/capsman-rolling-upgrade.capsman.rsc
+++ b/capsman-rolling-upgrade.capsman.rsc
@@ -5,7 +5,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: capsman-rolling-upgrade.capsman
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # upgrade CAPs one after another
 # https://rsc.eworm.de/doc/capsman-rolling-upgrade.md
diff --git a/capsman-rolling-upgrade.template.rsc b/capsman-rolling-upgrade.template.rsc
index 919765a0..9789d2f3 100644
--- a/capsman-rolling-upgrade.template.rsc
+++ b/capsman-rolling-upgrade.template.rsc
@@ -5,7 +5,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: capsman-rolling-upgrade%TEMPL%
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # upgrade CAPs one after another
 # https://rsc.eworm.de/doc/capsman-rolling-upgrade.md
diff --git a/capsman-rolling-upgrade.wifi.rsc b/capsman-rolling-upgrade.wifi.rsc
index b0c9d034..bc0d4d38 100644
--- a/capsman-rolling-upgrade.wifi.rsc
+++ b/capsman-rolling-upgrade.wifi.rsc
@@ -5,7 +5,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: capsman-rolling-upgrade.wifi
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # upgrade CAPs one after another
 # https://rsc.eworm.de/doc/capsman-rolling-upgrade.md
diff --git a/certificate-renew-issued.rsc b/certificate-renew-issued.rsc
index fc8bff32..807f0606 100644
--- a/certificate-renew-issued.rsc
+++ b/certificate-renew-issued.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2019-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # renew locally issued certificates
 # https://rsc.eworm.de/doc/certificate-renew-issued.md
diff --git a/check-certificates.rsc b/check-certificates.rsc
index 1dd61299..db1e2d45 100644
--- a/check-certificates.rsc
+++ b/check-certificates.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch
 #
 # check for certificate validity
@@ -106,6 +106,7 @@
     :local FormatCertChain do={
       :local Cert $1;
 
+      :global EitherOr;
       :global ParseKeyValueStore;
 
       :local CertVal [ /certificate/get $Cert ];
@@ -116,18 +117,9 @@
 
       :local Return "";
       :for I from=0 to=5 do={
-        :set Return ($Return . [ $ParseKeyValueStore ($CertVal->"issuer") ]->"CN");
-        :local CertSettings [ /certificate/settings/get ];
-        :if (([ :len ($CertSettings->"builtin-trust-anchors") ] > 0 || \
-              [ :len ($CertSettings->"builtin-trust-store") ] > 0) && \
-             [[ :parse (":return [ :len [ /certificate/builtin/find where skid=\"" . ($CertVal->"akid") . "\" ] ]") ]] > 0) do={
-          :return $Return;
-        }
-        :do {
-          :set CertVal [ /certificate/get [ find where skid=($CertVal->"akid") ] ];
-        } on-error={
-          :return ($Return . " (possibly incomplete!)");
-        }
+        :set Return ($Return . [ $EitherOr ([ $ParseKeyValueStore ($CertVal->"issuer") ]->"CN") \
+          ([ $ParseKeyValueStore (($CertVal->"issuer")->0) ]->"CN") ]);
+        :set CertVal [ /certificate/get [ find where skid=($CertVal->"akid") ] ];
         :if (($CertVal->"akid") = "" || ($CertVal->"akid") = ($CertVal->"skid")) do={
           :return $Return;
         }
diff --git a/check-health.d/state.rsc b/check-health.d/state.rsc
index bbba31e0..ab32e41b 100644
--- a/check-health.d/state.rsc
+++ b/check-health.d/state.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2019-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # check for RouterOS health state - state plugin
 # https://rsc.eworm.de/doc/check-health.md
diff --git a/check-health.d/temperature.rsc b/check-health.d/temperature.rsc
index 64fc6bf3..6ce3e959 100644
--- a/check-health.d/temperature.rsc
+++ b/check-health.d/temperature.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2019-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # check for RouterOS health state - temperature plugin
 # https://rsc.eworm.de/doc/check-health.md
diff --git a/check-health.d/voltage.rsc b/check-health.d/voltage.rsc
index 1121c23c..59dd23c3 100644
--- a/check-health.d/voltage.rsc
+++ b/check-health.d/voltage.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2019-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # check for RouterOS health state - voltage plugin
 # https://rsc.eworm.de/doc/check-health.md
diff --git a/check-health.rsc b/check-health.rsc
index eea31701..90d8c841 100644
--- a/check-health.rsc
+++ b/check-health.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2019-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # check for RouterOS health state
 # https://rsc.eworm.de/doc/check-health.md
diff --git a/check-lte-firmware-upgrade.rsc b/check-lte-firmware-upgrade.rsc
index da268e4c..ced827e2 100644
--- a/check-lte-firmware-upgrade.rsc
+++ b/check-lte-firmware-upgrade.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2018-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # check for LTE firmware upgrade, send notification
 # https://rsc.eworm.de/doc/check-lte-firmware-upgrade.md
diff --git a/check-perpetual-license.rsc b/check-perpetual-license.rsc
index 4326a2f5..0e66bccc 100644
--- a/check-perpetual-license.rsc
+++ b/check-perpetual-license.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2025-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # check perpetual license on CHR
 # https://rsc.eworm.de/doc/check-perpetual-license.md
diff --git a/check-routeros-update.rsc b/check-routeros-update.rsc
index 98edb366..4a6925d0 100644
--- a/check-routeros-update.rsc
+++ b/check-routeros-update.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch, scheduler
 #
 # check for RouterOS update, send notification and/or install
diff --git a/collect-wireless-mac.capsman.rsc b/collect-wireless-mac.capsman.rsc
index 0ef08b0d..2572acc9 100644
--- a/collect-wireless-mac.capsman.rsc
+++ b/collect-wireless-mac.capsman.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=40
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # collect wireless mac adresses in access list
 # https://rsc.eworm.de/doc/collect-wireless-mac.md
diff --git a/collect-wireless-mac.local.rsc b/collect-wireless-mac.local.rsc
index 263ef164..ae9a3395 100644
--- a/collect-wireless-mac.local.rsc
+++ b/collect-wireless-mac.local.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=40
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # collect wireless mac adresses in access list
 # https://rsc.eworm.de/doc/collect-wireless-mac.md
diff --git a/collect-wireless-mac.template.rsc b/collect-wireless-mac.template.rsc
index 37933250..54b113ec 100644
--- a/collect-wireless-mac.template.rsc
+++ b/collect-wireless-mac.template.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=40
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # collect wireless mac adresses in access list
 # https://rsc.eworm.de/doc/collect-wireless-mac.md
diff --git a/collect-wireless-mac.wifi.rsc b/collect-wireless-mac.wifi.rsc
index 342351b1..20bbb100 100644
--- a/collect-wireless-mac.wifi.rsc
+++ b/collect-wireless-mac.wifi.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=40
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # collect wireless mac adresses in access list
 # https://rsc.eworm.de/doc/collect-wireless-mac.md
diff --git a/contrib/badges.md b/contrib/badges.md
index a23090b5..24bd2055 100644
--- a/contrib/badges.md
+++ b/contrib/badges.md
@@ -1,6 +1,6 @@
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
diff --git a/contrib/telegram.md b/contrib/telegram.md
index ead4ab10..355a9cdd 100644
--- a/contrib/telegram.md
+++ b/contrib/telegram.md
@@ -4,7 +4,7 @@ Telegram
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/daily-psk.capsman.rsc b/daily-psk.capsman.rsc
index 284d4a11..30781d33 100644
--- a/daily-psk.capsman.rsc
+++ b/daily-psk.capsman.rsc
@@ -4,7 +4,7 @@
 #                         Michael Gisbers <michael@gisbers.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # update daily PSK (pre shared key)
 # https://rsc.eworm.de/doc/daily-psk.md
diff --git a/daily-psk.local.rsc b/daily-psk.local.rsc
index 7a07898c..730c52f0 100644
--- a/daily-psk.local.rsc
+++ b/daily-psk.local.rsc
@@ -4,7 +4,7 @@
 #                         Michael Gisbers <michael@gisbers.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # update daily PSK (pre shared key)
 # https://rsc.eworm.de/doc/daily-psk.md
diff --git a/daily-psk.template.rsc b/daily-psk.template.rsc
index 5105b63b..51bc4754 100644
--- a/daily-psk.template.rsc
+++ b/daily-psk.template.rsc
@@ -4,7 +4,7 @@
 #                         Michael Gisbers <michael@gisbers.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # update daily PSK (pre shared key)
 # https://rsc.eworm.de/doc/daily-psk.md
diff --git a/daily-psk.wifi.rsc b/daily-psk.wifi.rsc
index a2df10e4..91f323d1 100644
--- a/daily-psk.wifi.rsc
+++ b/daily-psk.wifi.rsc
@@ -4,7 +4,7 @@
 #                         Michael Gisbers <michael@gisbers.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # update daily PSK (pre shared key)
 # https://rsc.eworm.de/doc/daily-psk.md
diff --git a/dhcp-lease-comment.capsman.rsc b/dhcp-lease-comment.capsman.rsc
index 5427a889..54dcc799 100644
--- a/dhcp-lease-comment.capsman.rsc
+++ b/dhcp-lease-comment.capsman.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=60
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # update dhcp-server lease comment with infos from access-list
 # https://rsc.eworm.de/doc/dhcp-lease-comment.md
diff --git a/dhcp-lease-comment.local.rsc b/dhcp-lease-comment.local.rsc
index e25305e3..8a54ef68 100644
--- a/dhcp-lease-comment.local.rsc
+++ b/dhcp-lease-comment.local.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=60
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # update dhcp-server lease comment with infos from access-list
 # https://rsc.eworm.de/doc/dhcp-lease-comment.md
diff --git a/dhcp-lease-comment.template.rsc b/dhcp-lease-comment.template.rsc
index 3fcf6e01..3bc30723 100644
--- a/dhcp-lease-comment.template.rsc
+++ b/dhcp-lease-comment.template.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=60
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # update dhcp-server lease comment with infos from access-list
 # https://rsc.eworm.de/doc/dhcp-lease-comment.md
diff --git a/dhcp-lease-comment.wifi.rsc b/dhcp-lease-comment.wifi.rsc
index 6b752bab..f9f1f048 100644
--- a/dhcp-lease-comment.wifi.rsc
+++ b/dhcp-lease-comment.wifi.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=60
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # update dhcp-server lease comment with infos from access-list
 # https://rsc.eworm.de/doc/dhcp-lease-comment.md
diff --git a/dhcp-to-dns.rsc b/dhcp-to-dns.rsc
index 8c6ee30b..7a823d24 100644
--- a/dhcp-to-dns.rsc
+++ b/dhcp-to-dns.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=20
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.16
 #
 # check DHCP leases and add/remove/update DNS entries
 # https://rsc.eworm.de/doc/dhcp-to-dns.md
diff --git a/doc/accesslist-duplicates.md b/doc/accesslist-duplicates.md
index 1b77140f..e4d0c7fa 100644
--- a/doc/accesslist-duplicates.md
+++ b/doc/accesslist-duplicates.md
@@ -4,7 +4,7 @@ Find and remove access list duplicates
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/backup-cloud.md b/doc/backup-cloud.md
index 7d58c769..7d55d748 100644
--- a/doc/backup-cloud.md
+++ b/doc/backup-cloud.md
@@ -4,7 +4,7 @@ Upload backup to Mikrotik cloud
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/backup-email.md b/doc/backup-email.md
index 91b49c94..7b8bcfec 100644
--- a/doc/backup-email.md
+++ b/doc/backup-email.md
@@ -4,7 +4,7 @@ Send backup via e-mail
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/backup-partition.md b/doc/backup-partition.md
index f046bf12..50b8a094 100644
--- a/doc/backup-partition.md
+++ b/doc/backup-partition.md
@@ -4,7 +4,7 @@ Save configuration to fallback partition
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/backup-upload.md b/doc/backup-upload.md
index 179a2d7f..b4012c8b 100644
--- a/doc/backup-upload.md
+++ b/doc/backup-upload.md
@@ -4,7 +4,7 @@ Upload backup to server
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/capsman-download-packages.md b/doc/capsman-download-packages.md
index 2d0065bb..57222272 100644
--- a/doc/capsman-download-packages.md
+++ b/doc/capsman-download-packages.md
@@ -4,7 +4,7 @@ Download packages for CAP upgrade from CAPsMAN
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/capsman-rolling-upgrade.md b/doc/capsman-rolling-upgrade.md
index 17169996..d277db67 100644
--- a/doc/capsman-rolling-upgrade.md
+++ b/doc/capsman-rolling-upgrade.md
@@ -4,7 +4,7 @@ Run rolling CAP upgrades from CAPsMAN
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/certificate-renew-issued.md b/doc/certificate-renew-issued.md
index f47f9149..c4615b5e 100644
--- a/doc/certificate-renew-issued.md
+++ b/doc/certificate-renew-issued.md
@@ -4,7 +4,7 @@ Renew locally issued certificates
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/check-certificates.md b/doc/check-certificates.md
index 456d4b1f..b8fece01 100644
--- a/doc/check-certificates.md
+++ b/doc/check-certificates.md
@@ -4,7 +4,7 @@ Renew certificates and notify on expiration
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/check-health.md b/doc/check-health.md
index f389ff24..33847e36 100644
--- a/doc/check-health.md
+++ b/doc/check-health.md
@@ -4,7 +4,7 @@ Notify about health state
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/check-lte-firmware-upgrade.md b/doc/check-lte-firmware-upgrade.md
index 029dabcd..a0c441e3 100644
--- a/doc/check-lte-firmware-upgrade.md
+++ b/doc/check-lte-firmware-upgrade.md
@@ -4,7 +4,7 @@ Notify on LTE firmware upgrade
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/check-perpetual-license.md b/doc/check-perpetual-license.md
index a2d41e79..a32c4c3f 100644
--- a/doc/check-perpetual-license.md
+++ b/doc/check-perpetual-license.md
@@ -4,7 +4,7 @@ Check perpetual license on CHR
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/check-routeros-update.md b/doc/check-routeros-update.md
index 52373a16..029182d3 100644
--- a/doc/check-routeros-update.md
+++ b/doc/check-routeros-update.md
@@ -4,7 +4,7 @@ Notify on RouterOS update
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/collect-wireless-mac.md b/doc/collect-wireless-mac.md
index ab4f07ad..2378fed8 100644
--- a/doc/collect-wireless-mac.md
+++ b/doc/collect-wireless-mac.md
@@ -4,7 +4,7 @@ Collect MAC addresses in wireless access list
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/daily-psk.md b/doc/daily-psk.md
index 02fd0e39..118d768c 100644
--- a/doc/daily-psk.md
+++ b/doc/daily-psk.md
@@ -4,7 +4,7 @@ Use wireless network with daily psk
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/dhcp-lease-comment.md b/doc/dhcp-lease-comment.md
index b51952f4..b02f1993 100644
--- a/doc/dhcp-lease-comment.md
+++ b/doc/dhcp-lease-comment.md
@@ -4,7 +4,7 @@ Comment DHCP leases with info from access list
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/dhcp-to-dns.md b/doc/dhcp-to-dns.md
index af5b8c6d..4211d854 100644
--- a/doc/dhcp-to-dns.md
+++ b/doc/dhcp-to-dns.md
@@ -4,7 +4,7 @@ Create DNS records for DHCP leases
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.16-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/firmware-upgrade-reboot.md b/doc/firmware-upgrade-reboot.md
index 3cb80875..54f1da00 100644
--- a/doc/firmware-upgrade-reboot.md
+++ b/doc/firmware-upgrade-reboot.md
@@ -4,7 +4,7 @@ Automatically upgrade firmware and reboot
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/fw-addr-lists.md b/doc/fw-addr-lists.md
index 5ad02f13..46b80c29 100644
--- a/doc/fw-addr-lists.md
+++ b/doc/fw-addr-lists.md
@@ -4,7 +4,7 @@ Download, import and update firewall address-lists
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.16-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/global-wait.md b/doc/global-wait.md
index 84d05941..799cae78 100644
--- a/doc/global-wait.md
+++ b/doc/global-wait.md
@@ -4,7 +4,7 @@ Wait for global functions and modules
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/gps-track.md b/doc/gps-track.md
index 3b501f77..5e4878f5 100644
--- a/doc/gps-track.md
+++ b/doc/gps-track.md
@@ -4,7 +4,7 @@ Send GPS position to server
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/hotspot-to-wpa.md b/doc/hotspot-to-wpa.md
index dacee672..a2e97483 100644
--- a/doc/hotspot-to-wpa.md
+++ b/doc/hotspot-to-wpa.md
@@ -4,7 +4,7 @@ Use WPA network with hotspot credentials
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/ip-addr-bridge.md b/doc/ip-addr-bridge.md
index 079c5f02..f9f98e32 100644
--- a/doc/ip-addr-bridge.md
+++ b/doc/ip-addr-bridge.md
@@ -4,7 +4,7 @@ Manage IP addresses with bridge status
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/ipsec-to-dns.md b/doc/ipsec-to-dns.md
index ad666790..123656ca 100644
--- a/doc/ipsec-to-dns.md
+++ b/doc/ipsec-to-dns.md
@@ -4,7 +4,7 @@ Create DNS records for IPSec peers
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/ipv6-update.md b/doc/ipv6-update.md
index 01922d24..1f009b15 100644
--- a/doc/ipv6-update.md
+++ b/doc/ipv6-update.md
@@ -4,7 +4,7 @@ Update configuration on IPv6 prefix change
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/lease-script.md b/doc/lease-script.md
index eab7c76b..f83c3833 100644
--- a/doc/lease-script.md
+++ b/doc/lease-script.md
@@ -4,7 +4,7 @@ Run other scripts on DHCP lease
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/leds-mode.md b/doc/leds-mode.md
index 5e2ffc13..a194396f 100644
--- a/doc/leds-mode.md
+++ b/doc/leds-mode.md
@@ -4,7 +4,7 @@ Manage LEDs dark mode
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/log-forward.md b/doc/log-forward.md
index 25991fba..d5a2f137 100644
--- a/doc/log-forward.md
+++ b/doc/log-forward.md
@@ -4,7 +4,7 @@ Forward log messages via notification
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/bridge-port-to.md b/doc/mod/bridge-port-to.md
index 18127560..629c5263 100644
--- a/doc/mod/bridge-port-to.md
+++ b/doc/mod/bridge-port-to.md
@@ -4,7 +4,7 @@ Manage ports in bridge
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/bridge-port-vlan.md b/doc/mod/bridge-port-vlan.md
index b6065cb0..cf291995 100644
--- a/doc/mod/bridge-port-vlan.md
+++ b/doc/mod/bridge-port-vlan.md
@@ -4,7 +4,7 @@ Manage VLANs on bridge ports
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/inspectvar.md b/doc/mod/inspectvar.md
index fcbc3afa..e5c5629e 100644
--- a/doc/mod/inspectvar.md
+++ b/doc/mod/inspectvar.md
@@ -4,7 +4,7 @@ Inspect variables
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/ipcalc.md b/doc/mod/ipcalc.md
index 94d11fe7..f8d407c0 100644
--- a/doc/mod/ipcalc.md
+++ b/doc/mod/ipcalc.md
@@ -4,7 +4,7 @@ IP address calculation
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/notification-email.md b/doc/mod/notification-email.md
index 126e9284..127bf964 100644
--- a/doc/mod/notification-email.md
+++ b/doc/mod/notification-email.md
@@ -4,7 +4,7 @@ Send notifications via e-mail
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/notification-gotify.md b/doc/mod/notification-gotify.md
index 097a81c9..6fce6293 100644
--- a/doc/mod/notification-gotify.md
+++ b/doc/mod/notification-gotify.md
@@ -4,7 +4,7 @@ Send notifications via Gotify
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/notification-matrix.md b/doc/mod/notification-matrix.md
index 4f92d8b7..ad4cf4f9 100644
--- a/doc/mod/notification-matrix.md
+++ b/doc/mod/notification-matrix.md
@@ -4,7 +4,7 @@ Send notifications via Matrix
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/notification-ntfy.md b/doc/mod/notification-ntfy.md
index 5555c534..993501d9 100644
--- a/doc/mod/notification-ntfy.md
+++ b/doc/mod/notification-ntfy.md
@@ -4,7 +4,7 @@ Send notifications via Ntfy
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/notification-telegram.md b/doc/mod/notification-telegram.md
index 22ab0d71..d33f6fc6 100644
--- a/doc/mod/notification-telegram.md
+++ b/doc/mod/notification-telegram.md
@@ -4,7 +4,7 @@ Send notifications via Telegram
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/scriptrunonce.md b/doc/mod/scriptrunonce.md
index 66b181fa..db861bbe 100644
--- a/doc/mod/scriptrunonce.md
+++ b/doc/mod/scriptrunonce.md
@@ -4,7 +4,7 @@ Download script and run it once
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mod/ssh-keys-import.md b/doc/mod/ssh-keys-import.md
index 02cd804e..abf4d392 100644
--- a/doc/mod/ssh-keys-import.md
+++ b/doc/mod/ssh-keys-import.md
@@ -4,7 +4,7 @@ Import ssh keys for public key authentication
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.16-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/mode-button.md b/doc/mode-button.md
index 367b7fa0..af95ddb6 100644
--- a/doc/mode-button.md
+++ b/doc/mode-button.md
@@ -4,7 +4,7 @@ Mode button with multiple presses
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/netwatch-dns.md b/doc/netwatch-dns.md
index 23190b12..0d949182 100644
--- a/doc/netwatch-dns.md
+++ b/doc/netwatch-dns.md
@@ -4,7 +4,7 @@ Manage DNS and DoH servers from netwatch
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.16-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/netwatch-notify.md b/doc/netwatch-notify.md
index b2eae8da..91c568fc 100644
--- a/doc/netwatch-notify.md
+++ b/doc/netwatch-notify.md
@@ -4,7 +4,7 @@ Notify on host up and down
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/ospf-to-leds.md b/doc/ospf-to-leds.md
index 1bb503b4..3694d35c 100644
--- a/doc/ospf-to-leds.md
+++ b/doc/ospf-to-leds.md
@@ -4,7 +4,7 @@ Visualize OSPF state via LEDs
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/packages-update.md b/doc/packages-update.md
index e3942e0b..a0a17956 100644
--- a/doc/packages-update.md
+++ b/doc/packages-update.md
@@ -4,7 +4,7 @@ Manage system update
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/ppp-on-up.md b/doc/ppp-on-up.md
index 3459ea12..305afc1d 100644
--- a/doc/ppp-on-up.md
+++ b/doc/ppp-on-up.md
@@ -4,7 +4,7 @@ Run scripts on ppp connection
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/sms-action.md b/doc/sms-action.md
index 5a0e07df..b696c85e 100644
--- a/doc/sms-action.md
+++ b/doc/sms-action.md
@@ -4,7 +4,7 @@ Act on received SMS
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/sms-forward.md b/doc/sms-forward.md
index c5a50489..0c1317d3 100644
--- a/doc/sms-forward.md
+++ b/doc/sms-forward.md
@@ -4,7 +4,7 @@ Forward received SMS
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/super-mario-theme.md b/doc/super-mario-theme.md
index a3f6277d..c72f2209 100644
--- a/doc/super-mario-theme.md
+++ b/doc/super-mario-theme.md
@@ -4,7 +4,7 @@ Play Super Mario theme
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/telegram-chat.md b/doc/telegram-chat.md
index c6f565ad..1e6f70f0 100644
--- a/doc/telegram-chat.md
+++ b/doc/telegram-chat.md
@@ -4,7 +4,7 @@ Chat with your router and send commands via Telegram bot
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/unattended-lte-firmware-upgrade.md b/doc/unattended-lte-firmware-upgrade.md
index 1df34c0e..cb96aa15 100644
--- a/doc/unattended-lte-firmware-upgrade.md
+++ b/doc/unattended-lte-firmware-upgrade.md
@@ -4,7 +4,7 @@ Install LTE firmware upgrade
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/update-gre-address.md b/doc/update-gre-address.md
index dd047c23..de9f622e 100644
--- a/doc/update-gre-address.md
+++ b/doc/update-gre-address.md
@@ -4,7 +4,7 @@ Update GRE configuration with dynamic addresses
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/doc/update-tunnelbroker.md b/doc/update-tunnelbroker.md
index 7c2ca35b..ee0fe987 100644
--- a/doc/update-tunnelbroker.md
+++ b/doc/update-tunnelbroker.md
@@ -4,7 +4,7 @@ Update tunnelbroker configuration
 [![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers)
 [![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network)
 [![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers)
-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.15-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
 [![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts)
 [![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J)
 
diff --git a/firmware-upgrade-reboot.rsc b/firmware-upgrade-reboot.rsc
index 93a264fc..bd3aa174 100644
--- a/firmware-upgrade-reboot.rsc
+++ b/firmware-upgrade-reboot.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2022-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # install firmware upgrade, and reboot
 # https://rsc.eworm.de/doc/firmware-upgrade-reboot.md
diff --git a/fw-addr-lists.rsc b/fw-addr-lists.rsc
index a9b3daf4..a9c75d65 100644
--- a/fw-addr-lists.rsc
+++ b/fw-addr-lists.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2023-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.16
 #
 # download, import and update firewall address-lists
 # https://rsc.eworm.de/doc/fw-addr-lists.md
diff --git a/global-functions.rsc b/global-functions.rsc
index 5c70a463..3b5db905 100644
--- a/global-functions.rsc
+++ b/global-functions.rsc
@@ -4,7 +4,7 @@
 #                         Michael Gisbers <michael@gisbers.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch, scheduler
 #
 # global functions
diff --git a/global-wait.rsc b/global-wait.rsc
index 5b5f5e12..746974e7 100644
--- a/global-wait.rsc
+++ b/global-wait.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2020-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # wait for global-functions to finish
 # https://rsc.eworm.de/doc/global-wait.md
diff --git a/gps-track.rsc b/gps-track.rsc
index dae7d521..fb403e65 100644
--- a/gps-track.rsc
+++ b/gps-track.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2018-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch
 #
 # track gps data by sending json data to http server
diff --git a/hotspot-to-wpa-cleanup.capsman.rsc b/hotspot-to-wpa-cleanup.capsman.rsc
index 99ff0029..585c7924 100644
--- a/hotspot-to-wpa-cleanup.capsman.rsc
+++ b/hotspot-to-wpa-cleanup.capsman.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=80
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, hotspot
 #
 # manage and clean up private WPA passphrase after hotspot login
diff --git a/hotspot-to-wpa-cleanup.template.rsc b/hotspot-to-wpa-cleanup.template.rsc
index 113c1bb2..0aac42fe 100644
--- a/hotspot-to-wpa-cleanup.template.rsc
+++ b/hotspot-to-wpa-cleanup.template.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=80
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, hotspot
 #
 # manage and clean up private WPA passphrase after hotspot login
diff --git a/hotspot-to-wpa-cleanup.wifi.rsc b/hotspot-to-wpa-cleanup.wifi.rsc
index 1a7ef364..6803a449 100644
--- a/hotspot-to-wpa-cleanup.wifi.rsc
+++ b/hotspot-to-wpa-cleanup.wifi.rsc
@@ -4,7 +4,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: lease-script, order=80
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, hotspot
 #
 # manage and clean up private WPA passphrase after hotspot login
diff --git a/hotspot-to-wpa.capsman.rsc b/hotspot-to-wpa.capsman.rsc
index 0751f8e5..cbe0a791 100644
--- a/hotspot-to-wpa.capsman.rsc
+++ b/hotspot-to-wpa.capsman.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2019-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, hotspot
 #
 # add private WPA passphrase after hotspot login
diff --git a/hotspot-to-wpa.template.rsc b/hotspot-to-wpa.template.rsc
index ba044a09..4169d6de 100644
--- a/hotspot-to-wpa.template.rsc
+++ b/hotspot-to-wpa.template.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2019-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, hotspot
 #
 # add private WPA passphrase after hotspot login
diff --git a/hotspot-to-wpa.wifi.rsc b/hotspot-to-wpa.wifi.rsc
index 569d7827..d90be359 100644
--- a/hotspot-to-wpa.wifi.rsc
+++ b/hotspot-to-wpa.wifi.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2019-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, hotspot
 #
 # add private WPA passphrase after hotspot login
diff --git a/ipsec-to-dns.rsc b/ipsec-to-dns.rsc
index 02391fe8..90a8215c 100644
--- a/ipsec-to-dns.rsc
+++ b/ipsec-to-dns.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2021-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, ipsec
 #
 # and add/remove/update DNS entries from IPSec mode-config
diff --git a/ipv6-update.rsc b/ipv6-update.rsc
index a4da6516..0cbb2dc0 100644
--- a/ipv6-update.rsc
+++ b/ipv6-update.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # update firewall and dns settings on IPv6 prefix change
 # https://rsc.eworm.de/doc/ipv6-update.md
diff --git a/lease-script.rsc b/lease-script.rsc
index 1b7935b8..7f9eaa97 100644
--- a/lease-script.rsc
+++ b/lease-script.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # run scripts on DHCP lease
 # https://rsc.eworm.de/doc/lease-script.md
diff --git a/log-forward.rsc b/log-forward.rsc
index 26a23761..96edc11d 100644
--- a/log-forward.rsc
+++ b/log-forward.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2020-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # forward log messages via notification
 # https://rsc.eworm.de/doc/log-forward.md
diff --git a/mod/bridge-port-to.rsc b/mod/bridge-port-to.rsc
index b14926bb..7046ff86 100644
--- a/mod/bridge-port-to.rsc
+++ b/mod/bridge-port-to.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # reset bridge ports to default bridge
 # https://rsc.eworm.de/doc/mod/bridge-port-to.md
diff --git a/mod/bridge-port-vlan.rsc b/mod/bridge-port-vlan.rsc
index 3d9567a9..65c11fce 100644
--- a/mod/bridge-port-vlan.rsc
+++ b/mod/bridge-port-vlan.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # manage VLANs on bridge ports
 # https://rsc.eworm.de/doc/mod/bridge-port-vlan.md
diff --git a/mod/inspectvar.rsc b/mod/inspectvar.rsc
index d8c0bc79..63f35ba1 100644
--- a/mod/inspectvar.rsc
+++ b/mod/inspectvar.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2020-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # inspect variables
 # https://rsc.eworm.de/doc/mod/inspectvar.md
diff --git a/mod/ipcalc.rsc b/mod/ipcalc.rsc
index a485468e..93ea8a30 100644
--- a/mod/ipcalc.rsc
+++ b/mod/ipcalc.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2020-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # ip address calculation
 # https://rsc.eworm.de/doc/mod/ipcalc.md
diff --git a/mod/notification-email.rsc b/mod/notification-email.rsc
index 1ca76f62..5f45e663 100644
--- a/mod/notification-email.rsc
+++ b/mod/notification-email.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, email, scheduler
 #
 # send notifications via e-mail
diff --git a/mod/notification-gotify.rsc b/mod/notification-gotify.rsc
index 677d993c..464b4272 100644
--- a/mod/notification-gotify.rsc
+++ b/mod/notification-gotify.rsc
@@ -4,7 +4,7 @@
 #                         Leonardo David Monteiro <leo@cub3.xyz>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch, scheduler
 #
 # send notifications via Gotify (gotify.net)
diff --git a/mod/notification-matrix.rsc b/mod/notification-matrix.rsc
index b78b1132..5203e0fb 100644
--- a/mod/notification-matrix.rsc
+++ b/mod/notification-matrix.rsc
@@ -4,7 +4,7 @@
 #                         Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch, scheduler
 #
 # send notifications via Matrix
diff --git a/mod/notification-ntfy.rsc b/mod/notification-ntfy.rsc
index ac1792d4..03a2d420 100644
--- a/mod/notification-ntfy.rsc
+++ b/mod/notification-ntfy.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch, scheduler
 #
 # send notifications via Ntfy (ntfy.sh)
diff --git a/mod/notification-telegram.rsc b/mod/notification-telegram.rsc
index 9e9ae57e..959924f0 100644
--- a/mod/notification-telegram.rsc
+++ b/mod/notification-telegram.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch, scheduler
 #
 # send notifications via Telegram
diff --git a/mod/scriptrunonce.rsc b/mod/scriptrunonce.rsc
index 598c7602..0242b16e 100644
--- a/mod/scriptrunonce.rsc
+++ b/mod/scriptrunonce.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2020-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # download script and run it once
 # https://rsc.eworm.de/doc/mod/scriptrunonce.md
diff --git a/mod/ssh-keys-import.rsc b/mod/ssh-keys-import.rsc
index 16a02859..fb0cc0fe 100644
--- a/mod/ssh-keys-import.rsc
+++ b/mod/ssh-keys-import.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2020-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.16
 #
 # import ssh keys for public key authentication
 # https://rsc.eworm.de/doc/mod/ssh-keys-import.md
diff --git a/mode-button.rsc b/mode-button.rsc
index 81bdc05a..b7a7b85f 100644
--- a/mode-button.rsc
+++ b/mode-button.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2018-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, scheduler
 #
 # act on multiple mode and reset button presses
diff --git a/netwatch-dns.rsc b/netwatch-dns.rsc
index 4172d28e..c55f09e5 100644
--- a/netwatch-dns.rsc
+++ b/netwatch-dns.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2022-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.16
 # requires device-mode, fetch
 #
 # monitor and manage dns/doh with netwatch
diff --git a/netwatch-notify.rsc b/netwatch-notify.rsc
index 46a10ee0..d4a9123f 100644
--- a/netwatch-notify.rsc
+++ b/netwatch-notify.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2020-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # monitor netwatch and send notifications
 # https://rsc.eworm.de/doc/netwatch-notify.md
diff --git a/ospf-to-leds.rsc b/ospf-to-leds.rsc
index 73a70c8b..10d35307 100644
--- a/ospf-to-leds.rsc
+++ b/ospf-to-leds.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2020-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # visualize ospf instance state via leds
 # https://rsc.eworm.de/doc/ospf-to-leds.md
diff --git a/packages-update.rsc b/packages-update.rsc
index 960e07ca..b0bf5478 100644
--- a/packages-update.rsc
+++ b/packages-update.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2019-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, scheduler
 #
 # download packages and reboot for installation
diff --git a/ppp-on-up.rsc b/ppp-on-up.rsc
index 231d3d2d..bb09c856 100644
--- a/ppp-on-up.rsc
+++ b/ppp-on-up.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # run scripts on ppp up
 # https://rsc.eworm.de/doc/ppp-on-up.md
diff --git a/sms-action.rsc b/sms-action.rsc
index 9750e967..35f4cfa7 100644
--- a/sms-action.rsc
+++ b/sms-action.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2018-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # run action on received SMS
 # https://rsc.eworm.de/doc/sms-action.md
diff --git a/sms-forward.rsc b/sms-forward.rsc
index d4570ea1..e3d2d2e7 100644
--- a/sms-forward.rsc
+++ b/sms-forward.rsc
@@ -4,7 +4,7 @@
 #                         Anatoly Bubenkov <bubenkoff@gmail.com>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # forward SMS to e-mail
 # https://rsc.eworm.de/doc/sms-forward.md
diff --git a/telegram-chat.rsc b/telegram-chat.rsc
index 53ab6c66..1c949e8f 100644
--- a/telegram-chat.rsc
+++ b/telegram-chat.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2023-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch
 #
 # use Telegram to chat with your Router and send commands
diff --git a/unattended-lte-firmware-upgrade.rsc b/unattended-lte-firmware-upgrade.rsc
index 16d6f47d..6f1ac024 100644
--- a/unattended-lte-firmware-upgrade.rsc
+++ b/unattended-lte-firmware-upgrade.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2018-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, scheduler
 #
 # schedule unattended lte firmware upgrade
diff --git a/update-gre-address.rsc b/update-gre-address.rsc
index 15cfc143..cde6aa0a 100644
--- a/update-gre-address.rsc
+++ b/update-gre-address.rsc
@@ -3,7 +3,7 @@
 # Copyright (c) 2013-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 #
 # update gre interface remote address with dynamic address from
 # ipsec remote peer
diff --git a/update-tunnelbroker.rsc b/update-tunnelbroker.rsc
index f9eaf247..ee7f6f9c 100644
--- a/update-tunnelbroker.rsc
+++ b/update-tunnelbroker.rsc
@@ -5,7 +5,7 @@
 # https://rsc.eworm.de/COPYING.md
 #
 # provides: ppp-on-up
-# requires RouterOS, version=7.17
+# requires RouterOS, version=7.15
 # requires device-mode, fetch
 #
 # update local address of tunnelbroker interface