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Exchange Team Blog
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Understanding how Outlook, CDO, MAPI, and Providers work together

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The_Exchange_Team
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Apr 08, 2005
When diagnosing problems with Exchange, particularly Exchange clients like outlook, or API consumers like server applications, it is common to encounter confusion about which components are actuall...
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Deleted
Apr 09, 2005
This was a very good blog, Jason! A great read. I have one question: Does Microsoft always recommend making sure that the build version of the CDO.DLL, EMSMDB32 and MAPI32.DLL match? Is there any issue with having (for example) CDO.DLL 6.0.6249, EMSMDB32 6.0.6249 and MAPI32.DLL 6.0.6603.0 on the same machine, if an application uses all three?

Thanks.