If SSL (TLS 1.0) is enabled in the back-end Terminal Server for authenticating the server and encrypting all data transferred between the server and the client, the user receives the error messages below when accessing the resource through PCS:
The remote computer requires that authentication be enabled to connect.
Remote computer: ptaclab2008dc.ptaclab2008.local
The connection cannot proceed because authentication is not enabled.
An internal state error has occurred. The remote session will be disconnected.
Your local computer might be low on memory.
Close some programs, and then try connecting to the remote computer again.