How to troubleshoot “The Terminal Server security layer detected an error in the protocol stream and has disconnected the client. Client IP:” and “The RDP protocol component X.224 detected an error in the protocol stream and has disconnected the client” error messages

Problem Description :

You may experince problems if you try to connect to a Windows Server 2008 R2 via RDP.

Symptoms :

– RDP Session may freeze.
– Black screen inside RDP window.
– Slow connection.
– You may also be disconnected.

Event Logs :

Log Name: System
Source: TermDD
Date: 28.02.2012 08:49:40
Event ID: 56
Task Category: None
Level: Error
Keywords: Classic
User: […]