How to fix “The remote desktop session was disconnected because there are no Remote Desktop License Servers available to provide a license.” (Server 2012R2)

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You must be able to access the server in another way in order to do this. Mine was a VM so I was able to get into a console session through VMware vSphere.

Open your Registry Editor and navigate to: HKLM/System/CurrentControlSet/Control/Terminal ServerRCM and select GracePeriod.

Right-click this key and back it up by choosing export and putting it in a safe place.

You won’t be able to delete it without taking ownership first. Right-click the key and choose Permissions…

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Then go to Advanced

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Change the owner to your user name.

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For good measure, choose Replace owner on subcontainers and objects under your name and Replace all child object permission entries with inheritable permission entries from this object

Now you can delete the key. After a restart you should be able to access your server via remote desktop again.

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