TS license Error message 0x13A7, or 0x1391. 0x13A4, 0xFA1.

Event ID:  21 and 41, Source: TermServLicensing

Symptoms: When trying to install terminal Server CALs in a Terminal Server, you may receive the following errors.

1. Licensing Wizard was unable to install the client license key pack. Please verify your entry and try this operation again. Message Number 0x13A7, or 0x1391. 0x13A4, 0xFA1.
2. License already activated.
3. Event ID:   21, Source: TermServLicensing, Description: The Terminal Server Licensing server (server name) has no permanent licenses for product 'Windows Server 2003 - Terminal Server Per Device CAL Token'. Use Terminal Server Licensing administrative tool to register more licenses. The Terminal Server '10.0.0.15' was refused licenses of type 'Windows Server 2003 - Terminal Server Per Device CAL Token' due to this condition.
4. Event ID: 41, Source: TermServLicensing, Description: Can't initialize policy module because of error 'Missing Policy module registry entry for product Microsoft Corporation, company 004'

Causes:

1. You have installed the same license on another server.
2. You have installed the same license on another unavailable server.
3. The Terminal Services Licensing component is corrupted or missing.
4. The Terminal Services registry key has incorrect settings.

You are trying to install a Microsoft Windows Server 2003 CAL pack on a Windows 2000-based license server.

Resolutions: 1. If the Terminal Services Licensing component (Tls236.dll) is corrupted or missing, remove the TS Licensing server and then reinstall it.

2. Make sure that the Terminal Services Licensing registry key contains the correct settings, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\TermServLicensing\Policy\MicrosoftCorporation\A02, and the registry subkey contains the following entry: