In Windows XP if you have a problem with your RDC client license, you can delete the HKLM Software Microsoft MSLicensing key to force the license to rebuild itself on reconnection. If you try the same thing on Windows Vista or Windows 7, when you try to reconnect to the server you get this message: The remote computer disconnected the session because of an error in the licensing protocol. Please try connecting to the remote computer again or contact your server administrator. And the MSLicensing key does not reappear in the registry. What causes this and how to avoid it? The problem is caused by UAC in Windows 7 / Windows Vista.

1. Mslicensing Store

Hello, I have accidentally removed HKEY_LOCAL_MACHINE SOFTWARE Microsoft MSLicensing from registry. Now I have login errors - licensing issues. Removing Terminal Server licenses from an. Support for Windows Vista without any. For more information about how to back up and restore the registry.

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Because the RDC client does not by default have permission to create a new key under the HKLM Software Microsoft branch, it cannot rebuild the licensing information once it has been deleted! This causes a silent failure with the error message 'problem in licensing protocol'. (Ideally, the program would be redesigned to display a UAC challenge prompt in this situation). To fix it, just run the RDC as administrator when you first reconnect to the target computer.

This will allow the RDC client permission to rebuild the necessary registry keys. You should only need to do this once.

We have 11 Citrix servers, two on windows 03 and 9 on 2000 all running citrix xp metaframe version 1 service pack 3 feature release 3. We are getting about 20 people every morning that get errors connecting to the servers. Either citrix opens, looks like its connecting, then closes and disapears, or it gives a error: server cannot be found, cannot locate citrix server, or unable to find specified subnet address.

Mslicensing Store

It is different people every morning, and we have a temp fix, go into the registry, hkeylocalmachine, software, microsoft, mslicensing, store, and delete all LICENSE keys under that. Are the errors different problems, or all the same, and is hacking the registry the approved fix, or is there something else we should do, reinstallation of the client does not work, the error is happening on both the 7.x and 8.0 clients.