http://blogs.technet.com/b/omers/archive/2012/05/31/released-update-rollup-3-for-exchange-2010-service-pack-2.aspxMicrosoft has released Update Rollup 3 for Microsoft Exchange Server 2010 Service Pack 2 (SP2). This update is dated May 29, 2012. This article describes the following information about the update rollup: The issues that the update rollup resolves Howen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)