If your server reports that the "Licensing mode is not configured," you can force these settings via the registry instead of using Group Policy.
In a Windows Server environment, the Windows Registry serves as the database where the Remote Desktop Licensing Server stores information about the issued Client Access Licenses (CALs). rds cal license registry key free
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\GracePeriod If your server reports that the "Licensing mode
) forces the server to restart the 120-day countdown upon reboot. Configure licensing modes and servers via the registry,
Configure licensing modes and servers via the registry, ideal for non-GPO environments. Microsoft Learn Licensing Mode: LicensingMode (DWORD) in ...\RCM\Licensing Core (Per Device) or (Per User). License Server: Add the server IP/name under ...\RCM\LicenseServers Workgroup Auth: DisableWorkgroupAuthEnforcement (DWORD) to ...\Services\TermServLicensing\Parameters Microsoft Learn 2. Resetting the 120-Day Grace Period To extend access, you can delete the "timebomb" key. Navigate to ...\Control\Terminal Server\RCM\GracePeriod