Domain Functional Level Upgrade From 2003 To 2008

After raising domain and forest functional levels from 2003 to server 2008 r2 we started to get a few event id 15 on the domain controllers for a couple of service accounts.

Domain functional level upgrade from 2003 to 2008. Event id 15 s come through. I talked about in place upgrade of a domain controller here. Unfortunately the proce.

Finally you got the green light for upgrading your active directory environment from 2003 to 2008 r2. To be safe we restarted all the domain controllers since we were. We have a number of other member servers still running windows 2003.

You should be aware that going back once you raised the domain levels is hard not impossible but not recommended. Windows server 2003 active directory permits a special forest and domain functional level that is named windows server 2003 interim. We also have some intranet servers and other net iis applications that us ad for.

Restarted kdc service on all the domain controllers and still had a couple of. You need to have server 2016 as your only dcs in your network to raise the domain forest functional level. The windows 2000 windows server 2003 and windows server 2008 domain functional level values will not be available on the set domain functional level wizard page.

Once completed we would like to then raise the domain functional level of our forest and the domains from 2003 mixed mode to 2008 native mode. Get answers from your peers along with millions of it pros who visit spiceworks. In addition all domains that you subsequently add to that forest will have the windows server 2008 r2 domain functional level by default.

Repercussions of raising domain functional level to 2008 on mac computers running 10 6 2 with od 1 risks in raising domain functional level from 2003 mixed to 2008 native. On aug 19 2014 at 01 34 utc. Our exchange environment is already on 2010.