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powershell scripts running as windows service dies when user logsout from console

Posted on 2011-10-06
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Last Modified: 2012-05-12
I have a ps script that I am running as a window service using instsrv and srvany from Resource Kit.    If I logon remotely to the machine and then logoff powershell remains running.   If I logon via the console the powershell script is still running.  However if I logoff from the console,  powershell terminates.  

I created a very simple script that just writes to log file and I get the same behaviour,  I can login and out remotely via remote desktop and it stays running.   As soon as I login via the console and then logout,  powershell terminates on the console logout
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Question by:milesri
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Expert Comment

by:Qlemo
ID: 36924114
Are you connecting to the console session when you do from remote?
PowerShell requires that a console window (at Session 0 in W2003) is displayed. As soon as the Window is closed, PowerShell terminates. And if you log off from the console, you kill that window.
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Author Comment

by:milesri
ID: 36924378
If I boot the system,   the service starts and powershell is running.    It only gets terminated when I logout after login via console.   Remote Desktop  loggin/logouts don't effect it

the script I am using to test - test.ps1 code

$debug="C:\temp\rm\debug.log"

while(1)
 {
   start-sleep -m 1000
   $timestamp=Get-Date -format 'MMM dd yyy HH:mm:ss'
   $timestamp + "hi there" | Add-Content $debug

}

***************************************
Application registry entry
       powershell -noexit test.ps1

test.ps1 is on the path
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Expert Comment

by:Qlemo
ID: 36924402
This does not answer my question. Do you use mstsc /admin for connecting, to get the admin console?
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Author Comment

by:milesri
ID: 36924516
For remote conection  I am using mstsc.     So is the problem when I log onto the box via the Console (not remotely) it is using the console session?
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Expert Comment

by:Qlemo
ID: 36924939
If you log in to the local Console session, you are using the console.
If you use mstsc with the /admin (in older RDP clients /console) switch you are using the same session.
If you use mstsc without that switch, you have an own session apart from the Console.

It also can make a difference if you have first logged on locally, then take control over that session via mstsc /admin.
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Author Comment

by:milesri
ID: 36925189
So how does it run on a reboot when no one has logged?
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Accepted Solution

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Qlemo earned 2000 total points
ID: 36925481
The console window of PowerShell is "moved" to the Console session as soon as you log in. That is something very special, and hard to explain.
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