Update Rollup 10 for Exchange Server 2010 Service Pack 3

Applies to: Exchange Server 2010 Service Pack 3Exchange Server 2010 EnterpriseExchange Server 2010 Standard

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.

Get Update Rollup 10 for Exchange Server 2010 SP3

Method 1: Microsoft Update

This update rollup is available on Microsoft Update.

Note Microsoft Update does not detect update rollups for Exchange Server 2010 on clustered Exchange Server 2010 systems.

Method 2: Microsoft Download Center

The update rollup is also available for download from the following Microsoft Download Center website:

Update detail information

Installation instructions

Learn more about how to install the latest update rollup for Exchange Server 2010.

Also learn about the following update installation scenarios.

Install the update on computers that have customized Outlook Web App files
Important Before you apply this update rollup, make a backup copy of any customized Outlook Web Appfiles.

When you apply an update rollup package, the update process updates the Outlook Web App files if that is required. Therefore, any customizations to the Logon.aspx file or to other Outlook Web App files are overwritten, and you must re-create the Outlook Web App customizations in Logon.aspx.

Restart requirement

The required services are restarted automatically when you apply this update rollup.

Removal information

To remove Update Rollup 10 for Exchange Server 2010 SP3, use the Add or Remove Programs item in Control Panel to remove update 3049853.

More Information

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:
  1. In Control Panel, open the Clock, Region and Language item, and then click Region.
  2. Click the Administrative tab.
  3. In the Language for non-Unicode programs area, click Change system locale.
  4. 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.