WSUS Synchronization failed.
Message: Failed to sync some of the updates.
You may experience this problem if a computer is behind a firewall or behind a proxy server.
If you are using WSUS 3.0 with a Windows Internal Database that was created by a default WSUS installation, type the following command:
If you configured WSUS 3.0 to use an existing installation of SQL Server, type the following command: