Hi Everyone,

Exchange Server 2010 SP3 RU1 has been released on June.7, 2013. Below is the detail information.

2781488    Description of Update Rollup 1 for Exchange Server 2010 Service Pack 3

For more information on Exchange RU version, please refer to the following link:

http://blogs.technet.com/b/hot/archive/2012/09/25/update-version-information-for-exchange.aspx