Registry Key Free | Rds Cal License

If you already own CALs but the server is stuck in "Grace Period," you can edit the registry to reset broken configurations. Note: This requires administrative rights.

Windows Server allows up to 2 concurrent administrative connections without any CALs. You do not need a registry key for this. If you only need remote access for 2 admins, you are already compliant. Use mstsc /admin to connect.

Windows Server allows two concurrent administrative remote connections (often called the "Admin mode"). Once a third user tries to connect, the server demands a Remote Desktop Services Client Access License (RDS CAL).

A perpetual license (RDS CAL) costs anywhere from $150 to $200+ per user or device. For small businesses, this is a significant hurdle. Consequently, many administrators search for a registry hack to bypass the "grace period" or disable the license check. rds cal license registry key free

If you purchased User CALs but the server is set to Device mode, edit this DWORD:

While you cannot get a "free" license via the registry, you can view and manage your current licensing configuration. These keys are useful for troubleshooting legitimate licenses.

Location: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM If you already own CALs but the server

Within this key, you will find several critical values:

| Registry Value | Purpose | | :--- | :--- | | Licensing Core | Stores the licensing mode (Per User or Per Device). | | LSName | The name of the License Server your RDS host is trying to contact. | | LSserver | The IP/Hostname of the license server. |

| Purpose | Registry Path | |---------|----------------| | RDS Licensing mode | HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\LicensingCore | | License server configuration | HKLM\SYSTEM\CurrentControlSet\Services\TermService\Parameters\LicenseServer | | Grace period status | HKLM\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\GracePeriod | While you cannot get a "free" license via

From a client-side perspective, the registry key where the RDS CAL is stored is critical for the operating system to remember that the device is licensed.

The Registry Path: On a client machine (Windows 10/11) that has successfully obtained a license from an RDS Licensing Server, the certificate data is typically stored here:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MSLicensing\Store