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Exchange detected that "C:\WINNT\system32\MAPI32.dll" is not the correct version required

Posted on 2005-03-14
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Last Modified: 2011-04-19
I have Exchange 2000 installed on W2K server w/ GFI Mail Security and GFI Mail Essentials. Everytime I open ESM I get this error that pops up:

Exchange detected that "C:\WINNT\system32\MAPI32.dll" is not the correct version required to run Exchange System Manger or Exchange 2000 Server. This may cause failures in Exchange System Manager, affect availability of your server, or both. For more information see Microsoft Knowledge Base Q266418 at http://support.microsoft.com

This KBA is no help I do not have Outlook installed on the exchange server. This is a production server so I dont waht to try to make any changes unless I'm sure of the solution. I tried googleing for a solution with no luck. ANy info or links would be appreciated.
Thank you,

You've got 35 points available to ask this question - ugh sorry.
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Question by:quell23
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7 Comments
 
LVL 22

Expert Comment

by:ATIG
ID: 13538775
Did you install Outlook on this box? The Outlook mapi32 is diffrent from the Exchange ESM version and somtime messes things up.
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LVL 3

Author Comment

by:quell23
ID: 13539038
Thanks but I do not have Outlook installed on the exchange server. Never have. Another thing I noticed is that exchange is now sending out NDR's. I have performed numerous relay test and all say no relay allowed. It is sending out NDR's from spam that has been coming in. Under internet msg formats in the adv tab nothing is checked besides Preserver senders display name. So  I have exchange configured to not send any NDR's. I have followed the instructions at http://www.amset.info/exchange/spam-cleanup.asp 

Anyway thats another problem possably another question, my main concern right now is the mapi32.dll problem.
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LVL 3

Author Comment

by:quell23
ID: 13539361
UPDATE: I'm not for sure how or why this worked but it got rid of the pop up warning.
 I renamed mapi32.dll to mapi32.old  and then ran fixmapi.exe (which is supposed to be something outlook uses when there is 2 different versions present) Then rebooted the server and it works fine. No more pops up warning.  Just looked into the c:\winnt\system32 folder and there is no mapi32.dll file. There is the org one mapi32.old. Not for sure what this file is for. Back to googleing
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LVL 3

Author Comment

by:quell23
ID: 15670542
Its only 35 points but I think my last post qualifies as a UPDATE and a fix to the problem.
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Accepted Solution

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PashaMod earned 0 total points
ID: 15721936
Closed, 35 points refunded.
PashaMod
Community Support Moderator
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LVL 1

Expert Comment

by:HadleyR
ID: 35427630
The easiest thing is to copy the mapi32.dll from the Exchange SP2 files to the system32 directory.  This files is not registered so attempts to register it will fail.  Reinstalling Exchange is a waste of time!
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