XFOR: NDR from Internet Mail Service Contains Incorrect 3-Byte Reason Code Sent to X.400 Connector (230288)

The information in this article applies to:

Microsoft Exchange Server 5.5

This article was previously published under Q230288

SYMPTOMS

Microsoft Exchange Message Transfer Agent (MTA) transfers a NonDeliveryReasonCode of 3-byte integer. The field is defined in X.411 specifications as a 1 byte integer. Some X.400 MTAs cannot handle the extra bytes and may stop processing information.

CAUSE

The NonDeliveryReasonCode being passed is incorrectly set to -1, which is not a valid code.

RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. 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

The English version of this fix should have the following file attributes or later:

Component: Internet Mail Service

File name	Version
Msexcimc.exe	5.5.2594.0
Imcmsg.dll	5.52594.0

STATUS

Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 3.

Modification Type:	Minor	Last Reviewed:	4/28/2005
Keywords:	EXC55SP3Fix kbbug kbfix kbQFE KB230288