: Navigate to HKLM\SYSTEM\CurrentControlSet\Services\TermService\Parameters\LicenseServers and ensure SpecifiedLicenseServers contains the FQDN of your activated license server. If missing, create the MultiString value.
This contains the configuration for the discovery of the licensing server, license types (Per User vs. Per Device), and compliance status. 3. Client-Side Device CAL Storage (The MSLicensing Key)
Right-click your Remote Desktop Connection client (mstsc.exe) and select . Connect to the RDS host. Running it as admin the first time gives the client permission to recreate the missing registry keys and write the new CAL token. Resolution 2: Fixing Registry Permissions rds cal license registry key
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TermServLicensing\Parameters 2. Common Administrative Use Cases for the Registry Keys
: Look for the LicensingMode value in the right pane. If it doesn't exist, right-click and select New > DWORD (32-bit) Value, naming it LicensingMode . Per Device), and compliance status
Open the Start menu, type regedit , right-click , and select Run as administrator . (Administrative privileges are mandatory to modify HKEY_LOCAL_MACHINE ). Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft
Right-click the key and click Delete (this deletes all subkeys like HardwareID and Store ). Connect to the RDS host
\HardwareID : Contains unique hardware cryptographic identifiers for the machine.
(Per User vs. Per Device) is not correctly set in the registry. Microsoft Learn
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\Licensing Core Key Values: LicensingMode : Specifies the type of CALs required. 2 = Per Device 4 = Per User On the RDS Licensing Server