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Duplicate mailbox folders after migration to Exchange Server 2013

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Symptoms

After your mailbox is moved to Microsoft Exchange Server 2013, you may have duplicate Exchange folders (such as, Calendar or Contacts) in the mailbox.

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Resolution

To avoid folder duplication with future moves,�install the following cumulative update, and then move the mailboxes:�
2961810 Cumulative Update 6 for Exchange Server 2013

Note The created duplicate folders cannot be removed by this update.

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Cause

This issue occurs because the EntryID�property of the default folders is lost during the migration. Therefore, Exchange creates a new folder by using the same names.

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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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Keywords: KB2991934, kbexpertiseadvanced, kbsurveynew, kbfix, kbqfe

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Article Info
Article ID : 2991934
Revision : 1
Created on : 8/26/2014
Published on : 8/26/2014
Exists online : False
Views : 342