Rds Cal License Registry Key [verified] 〈Verified Source〉
REPORT: RDS CAL License Registry Key Analysis
If your RDS grace period has expired, you can reset it by deleting the "Timebomb" key. This is typically done for testing or lab environments.
Do not delete the entire LicenseKeyStore key
– only its subkeys.
- Changing license mode from Per Device to Per User or vice versa (via registry or group policy).
- Recovering from licensing server migration by manually updating
LicenseServerslist. - Troubleshooting “no licenses available” errors by verifying the stored mode matches actual RD Licensing Manager configuration.
- Clearing stale Per User CAL entries when users are permanently removed from the domain (though not officially supported).
Policy-based
HKLM\SYSTEM\CurrentControlSet\Services\TermService\Parameters\LicenseServers SpecifiedLicenseServers rds cal license registry key
- RCM (Remote Connection Manager) keys relate to service state and licensing mode.
- Typical values:
Alternatively, modern versions of Windows Server prefer specifying this through the following path if set via policy: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services Look for the string value: LicenseServers 💡 Best Practices for RDS License Registry Management REPORT: RDS CAL License Registry Key Analysis If
Value:
SpecifiedLicenseServers (Multi-String) — Contains the list of license servers. 2. Reset RDS Grace Period Changing license mode from Per Device to Per

