Can't logoff or kill processes on some Citrix/Terminal Server Sessions

We are having an issue with some Citrix/Terminal Server sessions that come in over the Citrix Web Interface. For some reason some of these sessions will not logoff after the 18 hour time limit and we also can't log them off through Terminal Services Manager or the Access Management Console. I also tried going into the task manager and manually killing the users processes but it won't kill the processes either. The only way to clear these "Ghost" sessions is to reboot the server. We are running Server 2008 x86 with XenApp5. The wierd thing is that issue is only happening to users who connect via the web interface. Does anyone have any idea of why this is happening or how to get these users logged off without rebooting?
flugaurjAsked:
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jimmy1223Commented:
The sessions are in the process of logging out and one of the processes that is trying to close hangs.  It's actually kind of common right now.  Citrix is looking in to a more permanent fix.  

Here was a discussion regarding this problem.

http://forums.citrix.com/message.jspa?messageID=1433775

Unfortunately, it looks abandoned for the time being.  You can use the steps suggested as a temporary fix and perhaps use this discussion to raise the issue again through ticket with support.  

Good luck!
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flugaurjAuthor Commented:
I think this is a seperate issue because these users are allowed to manually kill the processes on the server. When I try to manually kill them it does nothing and the user stays logged on.... The only way to kill/clear the processes is to reboot.
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KrAzYCommented:
What do you mean "I try to manually kill them it does nothing"?  What's the error when you try and "kill" the user?  Are you trying to log them off via task manager/command line?  Are you trying to kill all the processes they own in task manager?
If yes to any of the above what is the error you receive when trying to do so?
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flugaurjAuthor Commented:
I try to kill them from both the task manager and the command line...when I try and "End" the process it does nothing, no errors.
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KrAzYCommented:
What processes are left over that you're trying to kill?
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flugaurjAuthor Commented:
Anything that was running during the user's session...
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basrajCommented:
I think one of your citrix server is causing problem. Whenever you face this problem from user then note down the citrix server name. then restart the IMA service on that server. then try to kill user session from AMC.
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blahphishCommented:
FYI -  I have this exact same problem but we use Server 2008 R2 Terminal Services (Remote Desktop Services). I have a support case in with MS but I suspect its a deeper issue than just Citrix.
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blahphishCommented:
flugaurj did you get the problem fixed? Please share your solution if so.
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