Exchange 2013 SP1
Windows Server 2012 R2 support – Exchange 2013 SP1
To make sure that those running older versions of Exchange are not left out,
Microsoft has also released Rollup Update 13 for Exchange 2007 SP3 and Rollup Update 5 for Exchange 2010 SP3.
Download http://www.microsoft.com/en-us/download/details.aspx?id=41994
Redmor
