Article ID: 257894 - View products that this article applies to.
This article was previously published under Q257894
You may be unable to connect to a Terminal Services computer that is running 128-bit encryption with its Remote Desktop Protocol (RDP) encryption level set to High. In addition, the following error message may be displayed in the event log:
Event ID: 50
The RDP protocol component "DATA ENCRYPTION" detected an error in the protocol stream and has disconnected the client.
This behavior can occur if you install the Terminal Services client from the Terminal Services client folder before the 128-bit encryption pack is installed on the Terminal Services server computer.
To resolve this behavior, use one of the following methods:
For additional information about Terminal Services connections, click the article numbers below to view the articles in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/232514/EN-US/ )Securing Terminal Server Communication Between Client and Server
(http://support.microsoft.com/kb/270897/EN-US/ )How Terminal Server Advanced Client Connects to a Terminal Server Computer