RD Licensing Manager could not connect to the licence server

Posted on 2012-08-15
Last Modified: 2012-08-24
Windows Server 2003R2 Domain Controller, Windows Server 2008R2 Terminal Services Server configured for Remote Apps.
This has all been working fine for about a year and today, remote users reported being unable to connect.  On opening the RD Licencing Manager, the following message appears:
“RD Licensing Manager could not connect to the licence server.  Check the following:
1. The Remote Desktop Licencing service is started on the licence server.
2. Your credentials have sufficient privileges on the licence server.
To connect to a specific licence server, on the Action menu, click connect, type the name of the licence server to which you want to connect, and then click connect.”
The licensing Manager is empty.  It shows no servers and no licenses.  When I try to connect to a licence server, which I presume to be the same physical machine, the following message appears:
“RD Licensing Manager could not connect to the licence server”, followed by a list of checks.
The Remote Desktop Licensing service is set for Automatic, but is not started and fails to start manually.  Its dependencies, RPC and Windows Event Log are both started. Some research suggested that HKLM\Software\Microsoft\MSLicensing should be deleted and the computer started to re-create it.  Not only did that not resolve the issue, it didn’t re-create it and I restored it from the .reg export that I took before the deletion.
Not quite sure what else to do, so would appreciate some help.
Question by:gerlis
    LVL 3

    Expert Comment

    Hi Gerlis,

     Please correct me if my understanding is wrong.

     You have a windows 2008 server with terminal server with Client Access Licences installed.

     Now users, when they try to connect to the above server via RDC they are unable to connect.

     Did you try to uninstall and reinstall terminal services in the above server? (You should have a backup of Client Access Licenses which you have already installed in the terminal server).

    Wish you the best.
    Lentin Varghese
    LVL 1

    Author Comment

    Thanks for your response.
    I removed the RD License Server Role, re-started the server and then reinstalled it.  However, there were errors - as shown on the attached screen shot.

    LVL 1

    Accepted Solution

    I have resolved this.  It was a permissions problem.

    LVL 1

    Author Closing Comment

    This became an urgent issue and I sought help from MS.  It turned out to be registry permissions.

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