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ucsdprovost
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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

Windows Server 2003

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Last Comment
Jeffrey Kane - TechSoEasy

8/22/2022 - Mon
Jeffrey Kane - TechSoEasy

Is your licensing server running on the same machine?

See http://snipurl.com/wmy5

Jeff
TechSoEasy
ucsdprovost

ASKER
No, it's running on a different machine.
Jeffrey Kane - TechSoEasy

Well, I'd still check to see if FIPS encryption is the issue.

Jeff
TechSoEasy
Your help has saved me hundreds of hours of internet surfing.
fblack61
ucsdprovost

ASKER
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
Jeffrey Kane - TechSoEasy

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