# (Service Start) License Server Does not Start

## Scenario A

Cause: Ports 6593-6395 are closed.

Solution: Open ports 6593-6395.

## Scenario B

Cause: The Installation Number File is not saved.

Solution: As an Administrator, open License Registration and reload the Installation Number File received during Software Registration.

License Server needs Administrator rights to write data to the Windows Registry.

## Scenario C

Cause: The license is registered to another Registration Number.

Solution: Register the license to the correct Registration Number.