The received time and date of IMAP messages are changed to the time of migration after you migrate mailboxes to an Exchange 2007 Service Pack 1-based server

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Article ID: 951273 - View products that this article applies to.
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SYMPTOMS

After you migrate mailboxes from different Internet Message Access Protocol (IMAP) e-mail systems to a Microsoft Exchange Server 2007 Service Pack 1 (SP1)-based server, Microsoft Office Outlook or Microsoft Office Outlook Web Access users experience one or more of the following symptoms:
  • The received time of their messages is changed to the time of the migration.
  • The destination messages may not be displayed in the correct time/date order. Additionally, conversation threads are not displayed as expected.
  • The received date and time of messages differ from the received date and time that are displayed when you view them by using the IMAP protocol.

CAUSE

This problem occurs because the application that is used to migrate IMAP e-mail messages uses the APPEND command. When Exchange 2007 processes the APPEND command, the MessageDeliveryTime field is updated with the time of migration. However, Outlook and Outlook Web Access clients use the MessageDeliveryTime field as the received time.

RESOLUTION

To resolve this problem, download and install Update Rollup 5 for Exchange 2007 Service Pack 1.

For more information about Update Rollup 5 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 5 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

MORE INFORMATION

For more information about IMAP and about the APPEND command, visit the following third-party Web site:
http://www.faqs.org/rfcs/rfc2060.html
Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

For more information about the MessageDeliveryTime field, visit the following Microsoft Web site:
http://msdn.microsoft.com/en-us/library/microsoft.exchange.data.contenttypes.tnef.tnefpropertytag.messagedeliverytime(EXCHG.80).aspx

Properties

Article ID: 951273 - Last Review: November 20, 2008 - 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: 
atdownload kbfix kbhotfixrollup KB951273

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