XCON: How to Find the Version of Message Transfer Agent on an Exchange Server computer

SUMMARY

When several versions of the message transfer agent (MTA) are in use, it is important to determine the version or build of the MTA installed on a Microsoft Exchange Server computer. This article explains the process of identifying the MTA build. When the MTA stops or restarts, it generates the following events in the Event Viewer application log.

The description line of these events contains the MTA build.

   Event ID: 9298
   Source: MSExchangeMTA
   Type: Information
   Category: X.400 Service
   Description: Microsoft Exchange Server MTA Service startup complete,
   version 5.0 (build 1457.8). [BASE IL MAIN BASE 31 490] (14)

   Event ID: 9299
   Source: MSExchangeMTA
   Type: Information
   Category: X.400 Service
   Description: Service closedown complete, version 5.0 (build 1457.8).
     [BASE IL MAIN BASE 31 490] (16)