Domain Functional Level Required For Server 2016

An active directory server refers to both writable global catalog servers and to writable domain controllers.

Domain functional level required for server 2016. I have done a bit of searching online about windows xp running on a server 2016 functional level domain. For information about windows server 2016 and new features in active directory domain services ad ds see what s new in active directory domain services for windows server 2016. Dcs can support automatic rolling of the ntlm and other password based secrets on a user account configured to require pki authentication.

Some people say there will be issues with gpos connectivity while others say it will run fine. Open up powershell and run following. Windows server 2003 windows server 2008 windows server 2008 r2 and.

Domain functional level and forest functional level can be seen in the general tab of properties. Read only global catalog servers and read only domain controllers are not supported. Windows server 2016 domain functional level features all default active directory features all features from the windows server 2012r2 domain functional level plus the following features.

Open up active directory domains and trust can be located in administrative tools right click on domain and click on properties. A new domain that is created on a domain controller that runs at least windows server 2012 r2 must be set to the windows server 2008 domain functional level or higher. Raising the domain functional level to windows server 2016 when implementing new active directory domain controllers and removing domain controllers running previous versions of windows server many admins forget to raise the active directory domain functional level dfl to the earliest windows server version still running as domain controllers.

Windows server 2012. Rather than starting from scratch with this lab i decided to test lowering the functional levels from server 2016 to server 2012r2. This was fine until a few days later when i needed to test an application that was not supported for functional domains and forest levels greater than server 2012r2.

This article discusses raising the domain and forest functional levels that are supported by microsoft windows server 2003 based or newer domain controllers. In this lab i had the domain and forest functional level set to server 2016.