Microsoft KB Archive/169113

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XCON: Using an X.400 Connector with TCP/IP in a Cluster Environment

Article ID: 169113

Article Last Modified on 10/28/2006


  • Microsoft Exchange Server 5.5 Standard Edition

This article was previously published under Q169113


When you use the Microsoft Exchange X.400 Connector between two Microsoft Exchange Servers and at least one of the servers is a Microsoft Cluster node, message flow will not occur if you just list the IP address on the Stack tab of the properties page of the X.400 connector in the Microsoft Exchange Administrator program.


When the Microsoft Exchange Message Transfer Agent (MTA) attempts to send a message over the X.400 Connector using just an IP address, it will ask the Windows NT Server for the local IP address using the INADDR_ANY flag. Windows NT will return the local IP address of the active node and not the Cluster's virtual IP address which is configured in the Microsoft Exchange Administrator program. The following event will be recorded in the Windows NT Event Viewer Application Log when this problem occurs:

   Event 9301   MSExchangeMTA     Configuration
   The message transfer gateway that uses the network address
   4E434F5354455354 and the transport stack
   /cn=servername/cn=TCP (mtaname) could not be found. Check the
   configuration of the mail gateway. [BASE IL TCP/IP DRVR 36 218] (10)


To solve this problem, open the properties page of the X.400 Connector in the Microsoft Exchange Administrator program and click the Stack tab. Change the stack to use Remote Host Name and change the field to the name of the other Microsoft Exchange Server. This will need to be done on both servers.


Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 5.5. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):


Additional query words: mscs wolfpack tcp

Keywords: kbbug kbfix KB169113