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RemoteApps Hang using VPN

I am having a problem getting Remoteapp programs to run when the user connects to a server running Windows Server 2008 R2 Standard  through an IPSec VPN hosted on a Negear FVS338 firewall/router.  The applications are launched using RDPs on the user's desktop.  When executed, they just sit there as if they are launching, but do not progress to normal program launch.  I have built test RDPs to launch Microsoft Calc and Wordpad, in addition to the real applications that the user is trying to use.  The problem manifests itself with those test apps too.  If I restart the server, all the applications will launch normally with minimal delay.  I have searched the logs on the server, but cannot find any errors.  When the tunnel is enabled, I am able to remotely connect to the server with no difficulty and can map remote network drives.  In other words, system behavior seems normal except for the remoteapps.

These problems with the remoteapps do not occur when the user is working in the office.   Can anyone provide some guidance on what is happening and how to fix it?
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raincloud2011
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raincloud2011
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raincloud2011Author Commented:
I have determined why the Remoteapp session hangs and why restarting the server eliminates the problem.  I have learned that when the user closes a Remoteapp session (say while at the office) and then attempts to connect again through the VPN at home, the user is still listed in the user list that is displayed in the Windows Task Manager, even though the user has a status of "Disconnected", and both Client Name and Session are blank.  If I delete this user from this screen, the user can access the Remoteapp application over the VPN.  If I don't delete the user, the RemoteApp hangs.

Can anyone tell me why the user list does not clean up?  Windows obviously knows that the user has disconnected, but it doesn't remove the "disconnected" user from the task manager user list.  How can I make this housekeeping happen automatically?
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raincloud2011Author Commented:
I think I can resolve this without expert assistance.  The answer, I think, can be found in modifying security policy settings.  When I determine the solution, I will post it here.
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raincloud2011Author Commented:
Default settings in Windows Server 2008 isfor terminal session users to go into in a disconnected state for an indefinite period of time when all RemoteApp programs are closed.  Microsoft has posted instructions for enabling automatic logoff in KB2345390 (http://support.microsoft.com/kb/2345390).  Substitute Remote Desktop Services for Terminal Services if running Windows Server 2008 R2.  Problem is solved.
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