Forum Discussion
thanhtien19
Nov 19, 2021Iron Contributor
What to check before upgrading the forest functional level
Our system have active directory server 2012 r2 and forest functional level 2008 R2 and domain function 2008 R2 . Child domain functional level 2008 R2. Now we want upgrade functional level to 2012 r2...
Dave Patrick
Nov 20, 2021MVP
I'd check that the domain health is 100% before making any changes or upgrades. (dcdiag, repadmin tool)
- thanhtien19Dec 04, 2021Iron Contributordo you need check another application Compatible as Exchange, Sharepoint....and OS ?
- Dave PatrickDec 04, 2021MVP
Yes, I'd check them to be on the safe side.