The Windows Update Agent (WUA) has a lot of versions floating around. The newest is WUA 3.0 version 7.2.6001.788 Who ever came up with this naming standard...
When you finish your upgrade to SP1 do not forget to navigate to: In the Configuration Manager console, navigate to System Center Configuration Manager...
http://technet.microsoft.com/en-us/wsus/default.aspx Release Notes for Windows Server Update Services 3.0 SP1 These release notes describe known issues...