User who has the Full Access permission cannot open another user's mailbox by using Outlook Web App in a mixed Exchange Server 2007 and Exchange Server 2010 environment

Article ID: 2694274 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You have a mixed Microsoft Exchange Server 2007 and Microsoft Exchange Server 2010 environment. The Exchange Server 2007 server has Update Rollup 5 for Exchange Server 2007 Service Pack 3 or a later update rollup installed.
  • User A is an Exchange Server 2010 user and user B is an Exchange Server 2007 user in the mixed environment.
  • You grant user A the Full Access permission to user B’s mailbox.
  • User A logs on to his/her own mailbox by using Outlook Web App and then tries to open user B’s mailbox.
In this scenario, user A cannot open user B's mailbox. Additionally, user A receives the following exception:
Request
Url: https://UserOwaLink:443/owa/default.aspx
User host address:  HostAddress 
Exception
Exception type: Microsoft.Exchange.Data.Storage.StoragePermanentExceptionException message: Cannot open mailbox /o=OrganizationName/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=Mailbox.

CAUSE

This issue is caused by an unhandled exception that occurs when the connection between Exchange Server 2007 and Exchange Server 2010 is unsuccessful.


RESOLUTION

To resolve this issue, install the following update rollup:
2655203 Description of Update Rollup 7 for Exchange Server 2007 Service Pack 3

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 how to grant the Full Access permission for a mailbox, visit the following Microsoft website:
How to grant the Full Access permission for a mailbox

Properties

Article ID: 2694274 - Last Review: April 16, 2012 - Revision: 1.0
APPLIES TO
  • Microsoft Exchange Server 2007 Service Pack 3, when used with:
    • Microsoft Exchange Server 2007 Enterprise Edition
    • Microsoft Exchange Server 2007 Standard Edition
Keywords: 
kbqfe kbfix kbsurveynew kbexpertiseinter KB2694274

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