This database does not have a valid owner, so you cannot install the database relational diagram support object.

Solution to this problem when creating a database relationship diagram: Right-click the database, click Properties, click the file on the selection page, and change the owner to sa. OK.

Solution to this problem when creating a database relationship diagram: Right-click the database, click Properties, click the file on the selection page, and change the owner to sa. OK.

This problem occurs when creating a database relationship diagram.

Solution: Right-click the database, Hong Kong virtual host, click Properties, record-free space, Hong Kong virtual host, click File on the selection page, change the owner to sa, and click OK.