How To Delete The MSLicensing Key

On the Terminal Services Server

1. Start Registry Editor (Regedit.exe or Regedt32.exe).
2. Locate and then click the following key in the registry:
   HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\TermService\Parameters
3. In this registry key, delete the following values:
   Certificate
   X 509 Certificate
   X 509 Certificate ID
4. Quit Registry Editor, and then restart the server.

On the Windows XP-Based Client

1. Start Registry Editor (Regedit.exe).
2. Locate and then click the following key in the registry:
   HKEY_LOCAL_MACHINE\Software\Microsoft\MSLicensing
3. Delete the whole MSLicensing key from the registry.
4. Quit Registry Editor.
5. Connect to the Terminal Services server.