http://blogs.technet.com/dst2007/archive/2007/03/01/what-cdo-patch-should-we-run.aspxQ: CDO on Client - 932962 ? or CDO on Exchange Server - 926666? What CDO patch are they refeering to A: There is an Exchange specific CDO patch needed for OWA, Blackberry BES, etc and an Outlook specific CDO patch needed for 3rd party apps and customen-USCommunityServer 2.1 SP1 (Build: 61025.2)