"Unable to RDP" Error Message
Updated: March 31, 2011
Applies To: Windows Server 2008 R2
You may receive one of the following error messages when trying to connect to a Remote Desktop Session Host (RD Session Host) server by using Remote Desktop Connection:
Unable to RDP
Remote Desktop Disconnected
Unable to Connect to Remote Desktop (Terminal Server)
For more information about how to troubleshoot this issue, see Microsoft Knowledge Base Article 2477176.