Article ID: 957748 - Last Review: February 10, 2009 - Revision: 1.1

The custom message class of contact object is overwritten by the normal IPM.Contact class when an Exchange 2007 server replicates the contact object to any other public store

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SYMPTOMS

When a Microsoft Exchange 2007 server replicates a Contact object that is using a custom form, the custom message class is overwritten by the normal IPM.Contact class during content conversion. This issue occurs when a public store is replicated from Exchange 2007 server to any other public store that is hosted on an Exchange 2007 server or on an Exchange 2003 server. As a result, Exchange users cannot use the custom message class of the contact object in the public folders in an Exchange 2007 related environment.
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RESOLUTION

To resolve this problem, install Update Rollup 6 for Exchange 2007 Service Pack 1. For more information about Update Rollup 6 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 6 for Exchange Server 2007 Service Pack 1 (http://go.microsoft.com/fwlink/?LinkId=152555)
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 (http://go.microsoft.com/fwlink/?LinkId=152570)
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STATUS

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

Use the Microsoft Exchange Server MAPI Editor (MFCMAPI.exe) tool to check the PR_MESSAGE_CLASS message class. To downloadd the MFCMAPI.exe tool, visit the following Web site:
http://www.microsoft.com/downloads/details.aspx?FamilyID=55FDFFD7-1878-4637-9808-1E21ABB3AE37&displaylang=en (http://www.microsoft.com/downloads/details.aspx?FamilyID=55FDFFD7-1878-4637-9808-1E21ABB3AE37&displaylang=en)
For more information about the PR_MESSAGE_CLASS class, visit the following Web site:
http://msdn.microsoft.com/en-us/library/ms531519(EXCHG.10).aspx (http://msdn.microsoft.com/en-us/library/ms531519(EXCHG.10).aspx)
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APPLIES TO
  • Microsoft Exchange Server 2007 Service Pack 1, when used with:
    • Microsoft Exchange Server 2007 Enterprise Edition
    • Microsoft Exchange Server 2007 Standard Edition
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Keywords: 
kbexpertiseadvanced kbsurveynew kbqfe KB957748
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