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Windows 2000 TS: "error in the licensing protocol" when trying to connect from an XP client

Posted on 2007-12-18
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Hi, I have a client who is running a Windows 2000 Terminal Server. They have 10 licenses. Most users can connect successfully. However one user cannot get connected from her laptop. She receives the message "The remote computer disconnected the session because of an error in the licensing protocol" when she clicks connect from her RDP client.

I have tried the fix to delete the MSlicensing registry key. This error is still appearing, same as before. The registry key has not been recreated. Any one have any other ideas? Thanks.
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Question by:Ivrnet
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by:Michael Worsham
ID: 20495970
Removing Terminal Server licenses from an RDP client
http://support.microsoft.com/kb/187614
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by:Ivrnet
ID: 20495994
Hi. As I stated, I have already tried deleting the mslicensing registry key. The key is not being recreated after the reboot when they attempt to connect again and they are still receiving the same error message.
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Michael Worsham earned 2000 total points
ID: 20496082
Is the user running as 'administrator' on the laptop?

To resolve this problem, right-click the Remote Desktop Connection shortcut, and then click Run as Administrator. By default, the remote desktop connection runs as a user with the lowest user permissions. By default, a restricted user does not have permission to write registry entries to HKEY_LOCAL_MACHINE. Therefore, attempts to rewrite the MSLicensing key fail.

Starting Remote Desktop Connection with administrative credentials provides the permissions that are necessary to write the needed registry keys.
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by:Michael Worsham
ID: 20496100
Also what does the user's laptop Event Log show?

Perhaps it cannot find the TS Licensing server.
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by:Michael Worsham
ID: 20496328
Error message when you try to connect to a remote computer by using Remote Desktop on a Windows XP Professional Edition-based computer: "The remote computer disconnected the session"

http://support.microsoft.com/?kbid=921045
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Author Comment

by:Ivrnet
ID: 20496345
Hi, the user has gone home for the day. I will connect with them tomorrow and try these options. Thanks.
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Author Comment

by:Ivrnet
ID: 20503977
Okay, this solved the problem. Turned out the user was not an administrator on her own laptop, despite what she though. Once we got her logged in with administrative priviledges, she was able to connect via RDP. Thanks!
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