Highest Domain Functional Level

Then get addomain format list domainmode get adforest format list forestmode.

Highest domain functional level. 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. This is a brief and high level blog on the windows domain functional level dfl. Note that the os version constraint is only for the domain controller and not applicable for the member.

Domain functional level dfl determines the features of a domain controller dc based on the windows server operating system os it runs on. Having compromised a windows domain one of the things i like to do that i think adds real. When you deploy ad ds set the domain and forest functional levels to the highest value that your environment can support.

Right click the root domain then select properties. That is to provide support in a domain or forest for advanced active. Under the general tab the domain functional level and forest functional level is displayed on the screen.

This way you can use as many ad ds features as possible. If you are running exchange 2016 anywhere in your environment and if any of the domain controllers used by exchange are running windows server 2016 then the forest functional level must be raised to 2008r2 or later. Option 1 from admin tools.

Today i recognized that it is not easy to find a comprehensive summary table about active directory domain and forest functional levels operating mode on the internet. From the administrative tools menu select active directory domains and trusts or active directory users and computers. 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.

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. Welche domain controller bei welchem domain functional level unterstützt werden geht ebenfalls auf der liste hervor. The output would look like below.