Topic Last Modified: 2005-11-18

The Microsoft® Exchange Server Analyzer Tool queries the Active Directory® directory service to determine the value of the versionNumber attribute for each Exchange Server object. The versionNumber attribute represents the version of Exchange Server that is running on the computer.

The Exchange Server Analyzer also queries the CIM_Datafile Microsoft Windows® Management Instrumentation (WMI) class to determine the value of the Version key for the Exchange Collaboration Data Object (ExCDO) library file, ExCDO.dll. If the Exchange Server Analyzer determines that the Version key for ExCDO.dll has a value equal to 6603.0, a warning is displayed.

An Exchange 2000 Server computer that is running the 6603.0 version of ExCDO.dll indicates that the server is running the August 2004 Version 1 Exchange 2000 Server Post-Service Pack 3 (SP3) update rollup. Version 2 of this update rollup is now available. It is recommended that you install the August 2004 update rollup.

To correct this warning

  1. Learn about the latest update by reviewing the Microsoft Knowledge Base article 870540, "Availability of the August 2004 Exchange 2000 Server Post-Service Pack 3 Update Rollup" (

  2. Download the latest update (August 2004) from "Downloads for Exchange 2000 Server" (

  3. Back up the Exchange Server computer.

  4. Apply the August 2004 update rollup.

For more information about obtaining the latest service pack for Exchange 2000 Server, see the Microsoft Knowledge Base article 301378, "How to obtain the latest Exchange 2000 Server service pack" (

For more information about installing this and other Exchange Server updates, see the Knowledge Base article 328839, "How to apply Exchange service packs and hotfixes" (