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Error message when an Exchange Server 2007 user tries to open or to accept a meeting request: "The message could not be opened"

After you perform a dial tone recovery on a Microsoft Exchange Server 2007 server, a user tries to open or accept a new meeting request. In this situation, the user receives one of the following error messages:
The message could not be opened. Cannot open this item. The end date you entered occurs before the start date.
Cannot open this item. Outlook does not recognize this Schedule+ recurrence pattern.
Additionally, if the Reading Pane is enabled, a user may see the following warning in the Reading Pane:
This item cannot be displayed in the Reading Pane. Open the item to read its contents.
Note This problem occurs in Microsoft Office Outlook and in Microsoft Office Outlook Web Access.
Exchange Server Object keeps a cache of all named properties for all the mailbox database stores. When a database file is deleted and then re-created from a dial tone recovery, the named properties may not have the same ID in the new database. Therefore, when a Hub Transport server delivers a meeting request to the new database, the named properties either are incorrect or do not exist. Therefore, a client-side error message occurs whenever a user tries to open or to accept the meeting request.
To resolve this problem, install the following update rollup:
2530488 Description of Update Rollup 3 for Exchange Server 2007 Service Pack 3
Note This update rollup does not resolve the problem if the problem has already occurred (that is, if items are already corrupted). For any corrupted items that already exist, you can have the meeting organizer remove and then re-create the meeting. In some cases, it suffices to send a new meeting request to the user.
To work around this problem, you can restart all the Hub servers and CAS servers before you delete any database.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about a dial tone recovery, visit the following Microsoft TechNet website:
For more information about named properties, visit the following Microsoft TechNet website: 


Article ID: 975993 - Last Review: 06/07/2011 22:57:00 - Revision: 5.0

Microsoft Exchange Server 2007 Service Pack 3, Microsoft Exchange Server 2007 Enterprise Edition, Microsoft Exchange Server 2007 Standard Edition

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