Hello,
You may want to migrate the Windows Internal Database (WID) to SQL, here are the general steps:
- Stop the IIS and WSUS services on the WSUS server.
- Detach SUSDB from the Windows Internal Database using SQL Management Studio.
- Copy the SUSDB files to the SQL Server.
- Attach SUSDB to the SQL Instance.
- Verify SQL Server and Database Logins and Permissions.
For more details, please refer to this article:
Migrating the WSUS Database from (Windows Internal Database) WID to SQL | Microsoft Learn
I hope this helps.
Best regards