diff --git a/doc/mod/ssh-keys-import.md b/doc/mod/ssh-keys-import.md
index c6530ec2..434caa51 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
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-[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.21-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
+[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.17-yellow?style=flat)](https://mikrotik.com/download/changelogs/)
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@@ -38,8 +38,9 @@ import that key:
     $SSHKeysImport "ssh-rsa AAAAB3Nza...QYZk8= user" admin;
 
 The third part of the key (`user` in this example) is inherited as
-`info` in RouterOS. Also the `MD5` fingerprint is recorded, this helps
-to audit and verify the available keys.
+`info` in RouterOS (or `key-owner` with RouterOS 7.20.x and before). Also
+the `MD5` fingerprint is recorded, this helps to audit and verify the
+available keys.
 
 > ℹ️️ **Info**: Use `ssh-keygen` to show a fingerprint of an existing public
 > key file: `ssh-keygen -l -E md5 -f ~/.ssh/id_ed25519.pub`
diff --git a/mod/ssh-keys-import.rsc b/mod/ssh-keys-import.rsc
index f858a545..16a02859 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=7.21
+# requires RouterOS, version=7.17
 #
 # import ssh keys for public key authentication
 # https://rsc.eworm.de/doc/mod/ssh-keys-import.md
@@ -40,8 +40,9 @@
 
   :local FingerPrintMD5 [ :convert from=base64 transform=md5 to=hex ($KeyVal->1) ];
 
+  :local RegEx ("\\bmd5=" . $FingerPrintMD5 . "\\b");
   :if ([ :len [ /user/ssh-keys/find where user=$User \
-       info~("\\bmd5=" . $FingerPrintMD5 . "\\b") ] ] > 0) do={
+       (key-owner~$RegEx or info~$RegEx) ] ] > 0) do={
     $LogPrint warning $0 ("The ssh public key (MD5:" . $FingerPrintMD5 . \
       ") is already available for user '" . $User . "'.");
     :return false;
diff --git a/netwatch-dns.rsc b/netwatch-dns.rsc
index 038f0c54..2edbdf8c 100644
--- a/netwatch-dns.rsc
+++ b/netwatch-dns.rsc
@@ -3,12 +3,13 @@
 # Copyright (c) 2022-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.22beta1
+# requires RouterOS, version=7.17
 # requires device-mode, fetch
 #
 # monitor and manage dns/doh with netwatch
 # https://rsc.eworm.de/doc/netwatch-dns.md
 
+:local ExitOK false;
 :onerror Err {
   :global GlobalConfigReady; :global GlobalFunctionsReady;
   :retry { :if ($GlobalConfigReady != true || $GlobalFunctionsReady != true) \
@@ -24,13 +25,15 @@
   :global ScriptLock;
 
   :if ([ $ScriptLock $ScriptName ] = false) do={
-    :exit;
+    :set ExitOK true;
+    :error false;
   }
 
   :local SettleTime (5m30s - [ /system/resource/get uptime ]);
   :if ($SettleTime > 0s) do={
     $LogPrint info $ScriptName ("System just booted, giving netwatch " . $SettleTime . " to settle.");
-    :exit;
+    :set ExitOK true;
+    :error true;
   }
 
   :local DnsServers ({});
@@ -85,7 +88,8 @@
 
       :if ($DohCurrent = $HostInfo->"doh-url" && [ $IsDNSResolving ] = true) do={
         $LogPrint debug $ScriptName ("Current DoH server is still up and resolving: " . $DohCurrent);
-        :exit;
+        :set ExitOK true;
+        :error true;
       }
 
       :set ($DohServers->[ :len $DohServers ]) $HostInfo;
@@ -128,7 +132,8 @@
         }
         /ip/dns/cache/flush;
         $LogPrint info $ScriptName ("Setting DoH server: " . ($DohServer->"doh-url"));
-        :exit;
+        :set ExitOK true;
+        :error true;
       } else={
         $LogPrint warning $ScriptName ("Received unexpected response from DoH server: " . \
           ($DohServer->"doh-url"));
@@ -136,5 +141,5 @@
     }
   }
 } do={
-  :global ExitError; $ExitError true [ :jobname ] $Err;
+  :global ExitError; $ExitError $ExitOK [ :jobname ] $Err;
 }
diff --git a/telegram-chat.rsc b/telegram-chat.rsc
index 5b15227e..53ab6c66 100644
--- a/telegram-chat.rsc
+++ b/telegram-chat.rsc
@@ -3,12 +3,13 @@
 # Copyright (c) 2023-2026 Christian Hesse <mail@eworm.de>
 # https://rsc.eworm.de/COPYING.md
 #
-# requires RouterOS, version=7.22beta1
+# requires RouterOS, version=7.17
 # requires device-mode, fetch
 #
 # use Telegram to chat with your Router and send commands
 # https://rsc.eworm.de/doc/telegram-chat.md
 
+:local ExitOK false;
 :onerror Err {
   :global GlobalConfigReady; :global GlobalFunctionsReady;
   :retry { :if ($GlobalConfigReady != true || $GlobalFunctionsReady != true) \
@@ -47,7 +48,8 @@
   :global WaitFullyConnected;
 
   :if ([ $ScriptLock $ScriptName ] = false) do={
-    :exit;
+    :set ExitOK true;
+    :error false;
   }
 
   $WaitFullyConnected;
@@ -61,7 +63,8 @@
 
   :if ([ $CertificateAvailable "Go Daddy Root Certificate Authority - G2" "fetch" ] = false) do={
     $LogPrint warning $ScriptName ("Downloading required certificate failed.");
-    :exit;
+    :set ExitOK true;
+    :error false;
   }
 
   $RandomDelay $TelegramRandomDelay;
@@ -86,7 +89,8 @@
 
   :if ($Data = false) do={
     $LogPrint warning $ScriptName ("Failed getting updates.");
-    :exit;
+    :set ExitOK true;
+    :error false;
   }
 
   :local JSON [ :deserialize from=json value=$Data ];
@@ -115,6 +119,7 @@
       }
 
       :if ($Trusted = true) do={
+        :local Done false;
         :if ($Command = "?") do={
           $LogPrint info $ScriptName ("Sending notice for update " . $UpdateID . ".");
           $SendTelegram2 ({ origin=$ScriptName; chatid=($Chat->"id"); silent=true; \
@@ -122,9 +127,9 @@
             subject=([ $SymbolForNotification "speech-balloon" ] . "Telegram Chat"); \
             message=([ $IfThenElse ([ :len ($From->"first_name") ] > 0) ("Hello " . ($From->"first_name") . "!\n\n") ] . \
               "Online" . [ $IfThenElse $TelegramChatActive " (and active!)" ] . ", awaiting your commands!") });
-          :continue;
+          :set Done true;
         }
-        :if ([ :pick $Command 0 1 ] = "!") do={
+        :if ($Done = false && [ :pick $Command 0 1 ] = "!") do={
           :if ($Command ~ ("^! *(" . [ $EscapeForRegEx $Identity ] . "|@" . $TelegramChatGroups . ")\$")) do={
             :set TelegramChatActive true;
           } else={
@@ -132,16 +137,17 @@
           }
           $LogPrint info $ScriptName ("Now " . [ $IfThenElse $TelegramChatActive "active" "passive" ] . \
             " from update " . $UpdateID . "!");
-          :continue;
+          :set Done true;
         }
-        :if (($IsMyReply = 1 || ($IsAnyReply = false && \
+        :if ($Done = false && ($IsMyReply = 1 || ($IsAnyReply = false && \
              $TelegramChatActive = true)) && [ :len $Command ] > 0) do={
           :if ([ $ValidateSyntax $Command ] = true) do={
             :local State "";
             :local File ("tmpfs/telegram-chat/" . [ $GetRandom20CharAlNum 6 ]);
             :if ([ $MkDir "tmpfs/telegram-chat" ] = false) do={
               $LogPrint error $ScriptName ("Failed creating directory!");
-              :exit;
+              :set ExitOK true;
+              :error false;
             }
             $LogPrint info $ScriptName ("Running command from update " . $UpdateID . ": " . $Command);
             :execute script=(":do {\n" . $Command . "\n} on-error={ /file/add name=\"" . $File . ".failed\" };" . \
@@ -191,5 +197,5 @@
   :set TelegramChatOffset ([ :pick $TelegramChatOffset 1 3 ], \
     [ $IfThenElse ($UpdateID >= $TelegramChatOffset->2) ($UpdateID + 1) ($TelegramChatOffset->2) ]);
 } do={
-  :global ExitError; $ExitError true [ :jobname ] $Err;
+  :global ExitError; $ExitError $ExitOK [ :jobname ] $Err;
 }