By understanding these locations, administrators can effectively troubleshoot licensing bottlenecks, manage non-domain environments, and ensure compliant Remote Desktop Services deployments.
When you install the RDSH role, Microsoft grants a 120-day licensing grace period during which users can connect without a valid CAL. Once this expires, connections are blocked with licensing errors. If your license server deployment is delayed, you can reset this timer back to 120 days using the registry. Step-by-Step Grace Period Reset Open regedit.exe as an Administrator. rds cal license registry key
Set LicensingMode (DWORD) to 2 (Per Device) or 4 (Per User). If your license server deployment is delayed, you
Get-WmiObject -Class Win32_TerminalServiceSetting -Namespace root\cimv2\terminalservices backing up licensing databases
Note: Changes to this key require a restart of the Remote Desktop Services service ( TermService ) to take effect. Best Practices and Safety Warnings
Understanding the specific registry paths, keys, and values associated with RDS CALs is critical for system administrators tasked with troubleshooting activation issues, backing up licensing databases, or resetting grace periods. The Primary RDS CAL Registry Paths