At current
Exchange 2007 SP3 with all the latest updates
x 3 domain controllers 2008 R2
domain and forest function level 2008 R2
i know its not supported and i know that its a very risk move however i would like to know why if i introduce a windows 2012 r2 domain controller and changed the domain level 2012 R2 my setup is not supported, what is the reasoning behind this and what will break and why
however if i introduced a windows 2012 domain controller and changed the domain level to 2012 it is supported, for me to understand this i would like to know the ins and out if anyone could explain this please
as i cant seem to find an answer
thank you
kev