Microsoft suggestions for transitioning away from SBS2011

http://blogs.technet.com/b/infratalks/archive/2013/09/04/transition-from-sbs2011-to-server-2012-the-essentials-route.aspx

http://blogs.technet.com/b/infratalks/archive/2012/09/07/transition-from-small-business-server-to-standard-windows-server.aspx