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Remote Desktop sessions may be disconnected during Group Policy updates in Windows Server 2008
Article ID: 2083411 - View products that this article applies to.
When you use the Remote Desktop Services role to enable clients to connect remotely, those clients may be suddenly disconnected. After this issue occurs, connections can then be reestablished within a brief period.
This issue may occur if the following conditions are true:
When the policy is refreshed (by default, every 90 minutes, or manually through GPUPDATE), the policy settings are deleted and then reset. During this period, the configuration on the server is temporarily valid. Therefore, all sessions may be disconnected.
To resolve this issue, set the fDenyTSConnections registry value to 0. (See the "More information" section.)
Note When Remote Desktop Services is installed, the default setting is Allow connections only from computers running Remote Desktop with Network Level Authentication (more secure).
This setting is controlled by the following registry subkey:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal ServerWhen this value is set to 1, no connections are allowed. However, Group Policy can override this setting. During the Group Policy refresh process, this local setting may be temporarily valid.
Article ID: 2083411 - Last Review: June 29, 2010 - Revision: 1.0