KB.841765 Ex55 Post-Sp4 hotfix re-releasedhttp://blogs.technet.com/evand/archive/2004/12/16/323140.aspxThe "Exchange 5.5 Post-SP4 Rollup" ( KB.841765 ) containing the DS/IS Hotfix required for Exchange 2003 SP1 Site Consolidation work (see my earlier posting ) has been updated as of December 16, 2004. If you've been looking for it, you can now downloaden-USCommunityServer 2.1 SP1 (Build: 61025.2)