Can't access a shared mailbox after you migrate from Exchange Server 2010 to Exchange Server 2013

Symptoms
Assume that you assign Full Access permission to a shared mailbox that's configured as an additional account in Microsoft Outlook for some users. After you migrate the mailbox from a Microsoft Exchange Server 2010 environment to a Microsoft Exchange Server 2013 environment in an Exchange resource forest, these users can't access the shared mailbox in Outlook. Additionally, the shared mailbox can't be accessed as a primary mailbox.
Cause
This issue occurs because of a configuration in the security logic of Exchange Server 2013.
Resolution
To fix this issue, install Cumulative Update 10 for Exchange Server 2013.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Properties

Article ID: 3078404 - Last Review: 09/15/2015 15:58:00 - Revision: 1.0

Microsoft Exchange Server 2013 Enterprise, Microsoft Exchange Server 2013 Standard

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