Microsoft KB Archive/332019

= XCON: Message Transfer Agent Does Not Route or Deliver Messages That Are Sent to Recipients Who Have Embedded MSXCX500 Domain-Defined Attribute Values =

Article ID: 332019

Article Last Modified on 10/26/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Service Pack 4

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This article was previously published under Q332019





SYMPTOMS
The Microsoft Exchange Server 5.5 Service Pack 4 (SP4) message transfer agent (MTA) may not route or deliver messages that are sent to recipients who have embedded MSXCX500 domain-defined attribute values. The sender receives a non-delivery report (NDR) that is similar to the following:

The recipient name is not recognized

Additionally, the message transfer agent may log event ID 290 messages in the application event log that have a description that contains one of following:

unrecognised-OR-name

-or-

MTS-congestion



CAUSE
This problem is caused by a regression in the post-SP4 version of the MTA. The problem started in build 2655.72. Earlier versions of the MTA do not have this problem.

Additionally, this problem appears when an MS Mail address space is included in the Gateway Address Resolution Table (GWART). The MTA confuses the MS address type in MS Mail for the embedded MSXCX500 domain-defined attribute values; therefore, the routing problem occurs.



Hotfix Information
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
Because of file dependencies, this hotfix requires Microsoft Exchange Server version 5.5 Service Pack 4. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack

File Information
The English version of this hotfix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

Date        Time   Version        Size       File name -- 01-Aug-2001 17:02                    41,325  Dbserver.sch 16-Sep-2002 15:49                    88,248  Dsadap.xv2 16-Sep-2002 15:49                    33,049  Edi.xv2 30-Oct-2002 22:14   5.5.2656.94   1,941,264  Emsmta.exe 30-Oct-2002 22:13   5.5.2656.94      69,904  Ems_rid.dll 13-Jun-2001 17:05                   133,435  Infoplog.cfg 30-Oct-2002 22:14   5.5.2656.94     167,184  Mtacheck.exe 30-Oct-2002 22:13   5.5.2656.94     743,696  Mtamsg.dll 30-Oct-2002 22:13   5.5.2656.94      16,144  Mtaperf.dll 13-Jun-2001 17:06                    50,789  P2.xv2 17-Sep-2001 18:45                    14,002  P42.tpl 16-Sep-2002 15:49                    41,222  P772.tpl 16-Sep-2002 15:49                     9,028  P772.xv2 29-Aug-2001 18:16                    23,350  Rdi.xv2 30-Oct-2002 22:12   5.5.2656.94     322,320  X400om.dll 16-Sep-2002 15:49                    31,276  X500dap.tpl



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section of this article.



MORE INFORMATION
For additional information about the terminology that is used to describe Microsoft product updates, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the Standard Terminology That Is Used to Describe Microsoft Software Updates

Additional query words: DDA

Keywords: kbhotfixserver kbqfe kbbug kbexchange550presp5fix kbfix kbqfe KB332019

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