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 10 for Microsoft Exchange Server 2010 Service Pack 3 (SP3) was released on June 16, 2015. This update rollup resolves various issues. Before you install this update, you must remove all interim updates for Exchange Server 2010 SP3. Also, see this important information about how to install this update.
Issues that the update rollup resolves
This update resolves the issues that are described in the following Microsoft Knowledge Base (KB) articles:
Installing this update on a DBCS version of Windows Server 2012
You cannot install or uninstall Update Rollup 10 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 10, revert this language setting as appropriate.
See the terminology that Microsoft uses to describe software updates.