This update is no longer available. To fix the issues that are described in this article, install the latest Microsoft Exchange Server update from the following Microsoft Docs article:
Microsoft provides download files only for N-2 versions for an Exchange Server cumulative update (CU), where "N" is the latest CU. The latest CU can be used to recover servers that are running Exchange Server. This includes servers that have a previous CU installed.
Update Rollup 5 for Microsoft Exchange Server 2010 Service Pack 3 (SP3) is released on February 25, 2014. This update rollup includes a list of bug fixes. Before you install this update rollup, you must remove all interim updates for Exchange Server 2010 SP3. Check out the additional information for installing this update.
Issues that the update rollup resolves
Update Rollup 5 for Exchange Server 2010 SP3 resolves the issue that is described in the following Microsoft Knowledge Base (KB) article:
2887459 Public folder expiry time is set incorrectly in Exchange Server 2010 SP3
To remove Update Rollup 5 for Exchange Server 2010 SP3, use the Add or Remove Programs item in Control Panel to remove update 2966158.
About installation on a DBCS version of Windows Server 2012
You cannot install or uninstall Update Rollup 5 for Exchange Server 2010 SP3 on a double-byte character set (DBCS) version of Windows Server 2012 if the language preference for non-Unicode programs is set to the default language. To work around this issue, you must first change this setting. To do this, follow these steps:
In Control Panel, open the Clock, Region and Language item, and then click Region.
Click the Administrative tab.
In the Language for non-Unicode programs area, click Change system locale.
On the Current system locale list, click English (United States), and then click OK.
After you successfully install or uninstall Update Rollup 5, revert this language setting as appropriate.
For more information about terminology that Microsoft uses to describe software updates, click the following article number to go to the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates