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2003 Terminal server "The RDP Protocol Component "DATA ENCRYPTION" Detected an Error

Hello,

Some of our users are getting disonnected while connected to the terminal server.  When I check the log, there's an Event ID 50
"The RDP Protocol Component "DATA ENCRYPTION" Detected an Error..." error message

So I did the following:
Locate and then click the following registry subkey:
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\TermService\Parameters
Under this registry subkey, delete the following values: • Certificate
• X509 Certificate
• X509 Certificate ID
 
Quit Registry Editor, and then restart the server.

However, users are still getting disconnected.
The users that I know of that are being disconnected use HP5500 thin client.

Windows 2003 SP1 Terminal server
License = user mode
Encryption = client compatible

Avatar of Jeffrey Kane - TechSoEasy
Jeffrey Kane - TechSoEasy
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Is your licensing server running on the same machine?

See http://snipurl.com/wmy5

Jeff
TechSoEasy
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ucsdprovost

ASKER

No, it's running on a different machine.
Well, I'd still check to see if FIPS encryption is the issue.

Jeff
TechSoEasy
We have it so that the encryption level is
Encryption = client compatible
If I set it to Disabled that'd would start a plain text connection I'm assuming?
If so, I would set it to disabled if all the users are experiencing this but it only happens to a few so don't want to compromise security...
ASKER CERTIFIED SOLUTION
Avatar of Jeffrey Kane - TechSoEasy
Jeffrey Kane - TechSoEasy
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