Domain functional level 2008 r2 to 2016 July 8, 2019 16 32 64 128 Raise domain functional level 2008 r2 to 2016 Raise domain and forest functional level from 2008 r2 to 2016 Domain functional level 2008 r2 vs 2016 Raise domain functional level Upgrade domain functional level from 2008r2 to 2016 2012 r2 domain functional level compatibility
