/users/Shared/Microsoft/RDC Crucial Server Information/
$obj = gwmi -namespace "Root/CIMV2/TerminalServices" Win32_TerminalServiceSetting $obj.GetSpecifiedLicenseServerList() $obj.LicensingType
When you build a new RD Session Host, Microsoft provides a 120-day licensing grace period. During this time, connections are allowed without a licensing server. Once this period expires, users cannot connect unless a licensing server is specified and active. rds cal license registry key
RDS session host shows “Per User” mode, but users get a temporary license expiration warning. Check:
Understanding where these registry keys reside, how they function, and how to troubleshoot them is a critical skill for system administrators managing enterprise environments. 1. Where Are RDS CAL Registry Keys Located? RDS session host shows “Per User” mode, but
Right-click the RDP client icon and select .
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services This subkey stores settings pushed via Group Policy. System Runtime Configuration: Where Are RDS CAL Registry Keys Located
If the RDSH cannot find the license server, you may need to manually specify it. This is configured under a separate registry path:
The registry paths and licensing mechanisms remain largely unchanged in Windows Server 2025, but administrators should always verify compatibility and test thoroughly in a non-production environment before deployment.
Right-click (mstsc.exe) and select Run as administrator .
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TermServLicensing\Parameters 2. Common Administrative Use Cases for the Registry Keys