This key contains subkeys for each RDS server the client has connected to. Deleting this key forces the client to request a new license upon next connection.

Modifying RDS CAL registry keys requires careful adherence to Microsoft licensing terms and safety protocols:

Open the Start menu, type regedit , and run the as an Administrator. Navigate to the following path:

When a client machine connects to an RDS Host, the host issues a digital license token to the client. The client stores this token locally. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSLicensing