Domain Functional Level Chart
After all domain controllers are running an appropriate version of windows server the ad domain or ad forest must be configured to support the appropriate domain or forest functional level.
Domain functional level chart. They also determine which windows server operating systems you can run on domain controllers in the domain or forest. There are some explanations with the functions up to windows server 2008 r2 and some on the differences between windows server 2008 r2 and windows server 2012. Under the general tab the domain functional level and forest functional level is displayed on the screen.
With windows server 2012 and r2 it is possible to roll back forest and domain functional level with limitation as defined in table in the link. Domain functional level dfl determines the features of a domain controller dc based on the windows server operating system os it runs on. Feature set of a particular dfl will be available for a dc if it runs on the operating system version that is compatible with the functional level.
Domain functional levels and forest functional levels. If you have to revert to a lower functional level with a version of windows server that is earlier than windows server 2008 r2 you must rebuild the domain or forest or restore it from a backup copy. Operating system environment exchange 2019 exchange 2016 cu12 and later exchange 2016 cu7 and later exchange 2016 cu3 to cu6 exchange 2016 cu2 and earlier exchange 2013 sp1 and later exchange 2010 sp3.
Option 1 from admin tools. Welche domain controller bei welchem domain functional level unterstützt werden geht ebenfalls auf der liste hervor. Right click the root domain then select properties.
That is to provide support in a domain or forest for advanced active. Having compromised a windows domain one of the things i like to do that i think adds real. Introduction this is a brief and high level blog on the windows domain functional level dfl.
Functional levels determine the available active directory domain services ad ds domain or forest capabilities. Read only global catalog servers and read only domain controllers are not supported. Domain functional level settings the msds behavior version attribute is on the naming context nc head for the domain i e dc corp dc contoso dc com.