Terminal Server Session Keep Disconnecting

When users are idle for about under 1 hr, their terminal client session disconnect although the policy in the terminal server, an idle session will only be disconnected after 3 hrs.

The error message upon terminal client (RDP) is disconnected talks about such TLS security was challenge etc., ....i will post the exact error message when i get in the office.

Users are complaining that they are forced to re-authenticate again after creating a new RDP session.

Users in the branch office are affected.

The current WAN setup is as follows:

Branch Office > switch>WAN optimization>router -------leased line------router---WAN optimization---switch---Terminal server.

Appreciate any input.
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Is there another policy that may be over riding the 3 hr one, gpo?
mcse2007Author Commented:
That is possible but i haven't check....
Gary ColtharpSr. Systems EngineerCommented:
Are the remotes PC's doing RDP or thin clients? If PC's are they peer to peer or joined to the domain?
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mcse2007Author Commented:
Users are RDPing to Terminal Server....attached is the screen dump error message that users have encountered.

The policy for session time limits is set in the Terminal Server>Terminal Services Configurations>Connections>Sessions.

Should I set this in the group policy?
Gary ColtharpSr. Systems EngineerCommented:
This looks more like a network error between the sites than a configuration issues. The error is essentially telling you that the connection protocol was interrupted.
mcse2007Author Commented:
Fix for it?

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Windows Server 2008

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