Articles

 How do I manually change to a new license key?

If you need to change to a new license key due to a license upgrade/downgrade and have difficulty...

 How do I manually restore the license key for an expired license?

If you forget to pay your monthly license fee on time the local license key will expire and...

 License key operation failure: DT.7: The maximum number of server(s) can be installed with this serial number has been reached.

You must transfer or release your license. You can learn how here:...