Check License


select serverproperty('LicenseType'),serverproperty('NumLicenses')


"DISABLED usually means you are using an MSDN copy of SQL Server (so, not a production license - MSDN licenses are meant for development and testing)."

DISABLED = Licensing is disabled (This will be returned for MSDN or TechNet License or SQL Express or Evaluation or Developer Edition)


Number of client licenses registered for this instance of SQL Server if in Per Seat mode.

Number of processors licensed for this instance of SQL Server if in per-processor mode.


Update S/N


Start ->Programs -> Microsoft SQL Server ? -> SQL Server Installation Center -> Maintenance