License Registry Key - Rds Cal

When a client (workstation) connects to an RDS server, it receives a temporary CAL token stored locally in the registry. This token is typically valid for 90 days. If a full CAL is available, the temporary token is upgraded to a permanent license stored in the same location.

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\HardwareID : Contains unique hardware cryptographic identifiers for the machine. rds cal license registry key

Lists the servers designated as RD License Servers.

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. When a client (workstation) connects to an RDS

Each stores its issued RDS CAL locally to avoid re‑requesting it:

If you set SpecifiedLicenseServers but GPO settings push a different value, your manual edit will be overwritten on every Group Policy refresh (every 90–120 minutes). Check: Computer Configuration\Policies\Administrative Templates\Windows Components\Remote Desktop Services\Remote Desktop Session Host\Licensing This link or copies made by others cannot be deleted

The main registry key for RDS licensing is located under the hive. The specific path has changed slightly across different Windows Server versions, but for modern releases (Server 2012 R2, 2016, 2019, 2022, and 2025), the primary location is:

She leaned over and opened regedit . They dove into the belly of the machine, navigating the hive: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\Licensing Core

Windows Server stores RDS licensing configurations and cached client credentials in distinct areas of the registry. 1. The Licensing Mode and Server Configuration