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"ChangeKey is required for this operation" error message in Outlook for Mac 2011 in an Exchange Server 2010 environment

SYMPTOMS
Assume that a Microsoft Outlook for Mac 2011 user moves an item, and then changes the category of the item in a Microsoft Exchange Server 2010 environment. When Exchange Server synchronizes items with the Outlook for Mac 2011 client, the user occasionally receives the following error message:
Error
Could not synchronize record: <Message Name> to Exchange server: <Exchange Server Name>
Details
ChangeKey is required for this operation.
Error code
-19946

CAUSE
This issue occurs because the MoveItem operation in the Microsoft Exchange Web service returns an incorrect ChangeKey property of a moved item when Exchange Server synchronizes items with Outlook for Mac 2011 clients.
RESOLUTION
To resolve this issue, install the following update rollup:
2582113 Description of Update Rollup 5 for Exchange Server 2010 Service Pack 1

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 the MoveItem operation, visit the following Microsoft website:
For more information about the ChangeKey property, visit the following Microsoft website:
Properties

Article ID: 2556352 - Last Review: 08/24/2011 01:48:00 - Revision: 1.0

  • Microsoft Exchange Server 2010 Service Pack 1
  • kbqfe kbfix kbsurveynew kbexpertiseinter KB2556352
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