Article ID: 2800346 - View products that this article applies to.
Consider the following scenario:
Note This issue does not occur if mailboxes are created by using Exchange 2010 servers.
This issue occurs because the messaging records management (MRM) applies MRM policies to all items in mailbox folders. This causes the Outlook client to synchronize all items in the mailbox to a local .ost file.
To resolve this issue, install Exchange Server 2010 Service Pack 3 (SP3) on the Exchange Server 2010 servers. For more information about Exchange Server 2010 SP3, click the following article number to view the article in the Microsoft Knowledge Base:
2808208After you apply this update, you need to enable the Download Full Items option in the Download Preferences menu in Outlook.
(http://support.microsoft.com/kb/2808208/ )Description of Exchange Server 2010 Service Pack 3
To work around this issue, use Outlook in online mode, or use the Outlook Web App.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about MRM, go to the following Microsoft website:
General information about MRMFor more information about retention tags and retention policies, go to the following Microsoft website:
General information about retention tags and retention policies