The resolution to this was a little more complicated. When a Service Pack is installed it writes to the ""Autoupdater.ini"" file in the application, during workstation synchronization it updates the client side autoupdater.ini to reflect the same 5.30.3.0 revision. If these two files don't match it restarts the synchronization at the next login. For some unknown reason, not security, the INI file was missing from the client side location. Once I copied the file from the application side to the client side no more synchronization.