Pls help with migrating from Windows to Linux
Problem reported by David - Yesterday at 7:48 PM
Submitted
Long time SM user here. I'm having issues migrating from Windows to Linux.

Some more details:
SOURCE is Windows installation (which I'm trying to migrate FROM):
- it's on Windows Server 2012 R2 VM (EOL I know, that's why I'm trying to move away)
- Smartermail Build 9329
- data folder is not C;\Smartermail, but D:\Smartermail on my server
- IP is 10.10.40.10

TARGET is Linux:
- debian 13 (trixie) VM
- installed libicu76 and libicu-dev(as libicu was missing on trixie)
- installed Smartermail Build 9378, latest
- /var/lib/smartermail is a mount to another VM disk (formatted with ext4)
- IP is 10.10.40.12

I followed the https://portal.smartertools.com/kb/a3691/migrating-smartermail-to-linux.aspx guide closely, coped files, but the result for me is that I get the "The server is not responding or cannot be reached. Please try again later. If the problem continues, please check your internet connection or contact your system administrator for assistance." page as soon as I open the web on the Linux machine.

Please note:
- source and target smartermail versions are not the same build (not sure if that can cause issues -> I can't update to the latest version on windows, because the installer closes -> perhaps because my OS is no longer supported)
- I've tried with debian 13, because that's the current debian stable

Since I get no errors in journal, I just get this error on the web page (I get it immediately, it doesn't even ask me to login) I'm stuck.
Also trying to stop smartermail service on Linux takes a very long time and ends by killing various smartermail processes (service eventually stops by getting killed by systemd):
Sep 10 04:31:03 smartermail MailService[2989]: Initiate shutdown.
Sep 10 04:31:03 smartermail MailService[2989]: [2989] MailServer.Shutdown: shutdownFast = False
Sep 10 04:31:04 smartermail MailService[2989]: Service shutdown complete.
Sep 10 04:31:04 smartermail MailService[2989]: Microsoft.Hosting.Lifetime[0] Application is shutting down...
Sep 10 04:31:04 smartermail MailService[2989]: Stopped.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: State 'stop-sigterm' timed out. Killing.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 2989 (MailService) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 2990 (.NET SynchManag) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 2991 (.NET EventPipe) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 2992 (.NET DebugPipe) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 2993 (.NET Debugger) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 2994 (.NET Server GC) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 2995 (.NET Server GC) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 2996 (.NET Finalizer) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 2998 (.NET SigHandler) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3001 (.NET Timer) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3003 (DelayWriter-Sma) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3004 (DelayWriter-Sma) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3006 (.NET TP Gate) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3008 (Profile Log Wri) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3013 (SystemGreylistM) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3018 (.NET File Watch) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3019 (.NET File Watch) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3020 (.NET File Watch) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3021 (.NET File Watch) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Killing process 3038 (.NET TP Worker) with signal SIGKILL.
Sep 10 04:32:33 smartermail systemd[1]: smartermail.service: Main process exited, code=killed, status=9/KILL
But I couldn't find logs to see what happens.
Please help.

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