HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\Licensing Core Use code with caution.
To understand why the registry key matters, it helps to look at the step-by-step cryptographic handshake: rds cal license registry key
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\GracePeriod rds cal license registry key
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On the affected , close all active Remote Desktop connections. Open regedit as an Administrator. rds cal license registry key
Registry edits are usually a "last resort" for troubleshooting RDS licensing . Use them if: