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Duplicate folders are created after a mailbox move in Exchange Server 2013 Enterprise

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Symptoms

Duplicate folders are created in Microsoft Exchange Server 2013 after you move a mailbox that has large or corrupted properties or after you move a mailbox by using the -IgnoreRuleLimitErrors switch.

For example, you might see Task, Task1, Contacts, Contacts1, and so on. Also, the Folder Type value may be "User Created."

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Cause

This problem occurs because mailbox folder properties are removed if a property error for the Inbox folder occurs during the move. Such errors prevent migration of the default folder references for the Inbox. After migration, the default folders are re-created.

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Resolution

To resolve this issue, install Cumulative Update 9 for Exchange Server 2013.

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Workaround

To work around the problem if it is caused by the -IgnoreRuleLimitErrors switch, never use this switch together with the New-MoveRequest cmdlet in Exchange Server 2013. This switch is causing the duplicate folders problem. 

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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

When this problem occurs, you may be able to view a list of duplicated folder by running the Get-MailboxFolderStatistics cmdlet.

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Keywords: kbqfe, kbsurveynew, kb

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Article Info
Article ID : 3069501
Revision : 1
Created on : 1/7/2017
Published on : 6/16/2015
Exists online : False
Views : 290