Article ID: 163294 - Last Review: October 26, 2006 - Revision: 3.1

Exchange MTA Build Numbers

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SUMMARY

The build numbers for the Microsoft Exchange Server message transfer agent (MTA) are as follows: 
   Version 4.0 RTM    Build 837.9
   Service Pack 1     Build 838.10
   Service Pack 2     Build 993.6
   Version 4.0a       Build 993.6
   Service Pack 3     Build 994.54
   Service Pack 4     Build 995.54
   Service Pack 5     Build 996.72
   Version 5.0 RTM    Build 1457.8
   Service Pack 1     Build 1458.56
   Service Pack 2     Build 1460.13
   Version 5.5 RTM    Build 1960.3
   Service Pack 1     Build 2232.18
   Service Pack 2     Build 2448.1
   Service Pack 3     Build 2650.24
   Service Pack 4     Build 2653.23

MORE INFORMATION

You can verify the MTA build on a Microsoft Exchange Server by opening MSExchangeMTA X.400 Service events 9298 or 9299 in the Windows NT Event Viewer. These events are logged at MTA startup and shutdown respectively.
APPLIES TO
  • Microsoft Exchange Server 4.0 Standard Edition
  • Microsoft Exchange Server 5.0 Standard Edition
  • Microsoft Exchange Server 5.5 Standard Edition
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This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
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