Rds Cal License Registry Key

Inside the GracePeriod key, locate the binary value (typically named with a long random alphanumeric string like L$RTMTIMEB... ). Right-click the binary value and select .

Located in the GracePeriod key, you may need to delete the L$RTMTIMEBOMB value (after taking ownership) to reset the 120-day evaluation. Essential Considerations

Manipulating this key can resolve “blacklisted” or corrupted CAL entries.

The RDS CAL (Remote Desktop Services Client Access License) registry key stores licensing-related configuration for RDS, particularly in licensing mode. Unlike Per Device CALs (tracked in the RD Licensing Manager database), Per User CALs are not automatically enforced by Windows — instead, the registry key helps track issuance and status on the RDS Licensing Server or session hosts. rds cal license registry key

They navigated to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\GracePeriod "The gatekeeper key," Leo muttered.

Managing RDS CALs via the Windows Registry is typically done to define licensing servers, set licensing modes, or reset the 120-day grace period. While Group Policy is the preferred management tool, these registry keys provide direct control over how a Session Host interacts with the License Server . Core RDS Licensing Registry Keys

Before modifying any licensing keys, it is standard practice to export the registry subkey Inside the GracePeriod key, locate the binary value

Deleting the Licensing Core subkey or specific contents within it can force the server to re-evaluate its license status. 3. How to Properly Install RDS CALs via Licensing Manager

After registry edits, check Event Viewer → Applications and Services Logs → Microsoft → Windows → TerminalServices-Licensing → Operational .

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services This subkey stores settings pushed via Group Policy. System Runtime Configuration: Located in the GracePeriod key, you may need

Restart the Remote Desktop Services service for changes to take effect. Clearing the Grace Period Key

To get the most out of your RDS CALs and maintain a healthy RDS environment:

For workgroups, you may need to set DisableWorkgroupAuthEnforcement to 1 in ...\Services\TermServLicensing\Parameters .