Symptoms
Issue 1
Consider the following scenario:
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You grant the Editor permission for some Microsoft Outlook shared folders to a delegate in an environment that has Update Rollup 1 for Microsoft Exchange Server 2010 Service Pack 3 (SP3) installed.
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The delegate accesses the shared folders by using an Exchange Web Service (EWS)-based application, such as Microsoft Outlook for Mac 2011.
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The delegate moves email items between the shared folders.
In this scenario, the email items disappear from the shared folders.
Issue 2
Consider the following scenario:
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You grant the Editor permission for some Microsoft Outlook folders to a delegate in an environment that has Update Rollup 1 for Microsoft Exchange Server 2010 SP3 installed.
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The delegate reads email items in an Outlook folder by using Outlook for Mac 2011, and those items are marked as "read."
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You perform synchronization for the folder.
In this scenario, the status of the items is reverted to "unread." Additionally, the following entry is displayed in the Mac Outlook client log:Permission Error. Changes to the e-mail message could not be saved because you do not have the appropriate permission.
Cause
This issue occurs because Update Rollup 1 uses a new function that fails to read the configuration of mailboxes.
Resolution
To resolve this issue, install the following update rollup:
2917508 Description of Update Rollup 5 for Exchange Server 2010 Service Pack 3
Workaround
To work around this issue, grant the Full Access permission to the delegate.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.