A meeting request that is sent from OWA causes a "553 5.0.0 Message-Id header line format error" NDR message in an Exchange Server 2007 environment

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Article ID: 959510 - View products that this article applies to.
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SYMPTOMS

When a Microsoft Exchange Server 2007 user sends a meeting request to external recipients by using Microsoft Outlook Web Access (OWA), the Message-ID of the meeting request is a unique GUID. For example, the meeting-ID uses the following format:
<GUID>@<FQDN of mail server>
However, RFC-2822 recommends that the Message-ID should use the following format:
[CFWS] '<' id-left '@' id-right '>' [CFWS]
Because of this incompatibility, the meeting request from OWA may cause a Non Delivery Report (NDR) message is generated by the external target mail servers sometimes. A specific NDR in this scenario includes the following message:
553 5.0.0 Message-Id header line format error

RESOLUTION

To resolve this problem, install Update Rollup 8 for Exchange 2007 Service Pack 1. For more information about Update Rollup 8 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 8 for Exchange Server 2007 Service Pack 1
For more information about how to obtain the latest Exchange service pack or update rollup, see the following Exchange Help topic:
How to Obtain the Latest Service Pack or Update Rollup for Exchange 2007

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information about RFC-2822, visit the following Web site:
http://www.ietf.org/rfc/rfc2822.txt

Properties

Article ID: 959510 - Last Review: May 19, 2009 - Revision: 1.1
APPLIES TO
  • Microsoft Exchange Server 2007 Service Pack 1, when used with:
    • Microsoft Exchange Server 2007 Enterprise Edition
    • Microsoft Exchange Server 2007 Standard Edition
Keywords: 
kbexpertiseinter kbexpertiseadvanced kbqfe kbsurveynew kbhotfixrollup KB959510

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