Is the Exchange tool required for both 2003 and 2000 and is there a different version for each?

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Q: I need some clarification on the DST update process for Exchange 2000. It looks like Exchange 2003 has a patch that 2000 doesn't have. It appears that the Exchange tool is required for both versions. Is that correct?
A: Please go to support.microsoft.com/gp/lifean22 to get information on how to get the Exchange 2000 patch. If you mean the Exchange calendar update tool (support.microsoft.com/kb/930879/en-us) then yes it can be run on either version of exchange. Please review kb930879 carefully as you plan to mitigate for DST issues.