Raise Domain Functional Level To 2012 R2
When the domain functional level is raised it not possible to promote operating systems that are running earlier versions of the os.
Raise domain functional level to 2012 r2. For example if you raise the domain functional level to windows server 2012 you will not be able to promote a server that is running windows server 2008 to domain controller. Before i did that one. Recently i upgraded both of our domain controllers to windows server 2012 r2. Raising ad domain functional level to 2012 r2.
Open the active directory domains and trusts utility. If your domain forest level functional level are windows 2003 you have no roll back. Protected users authenticating to a windows server 2012 r2 domain can no longer. Value of 3 windows server 2008 domain level.
By mcintyrem 6 years ago. Since it looks like you still have a 2008 domain controller you must either upgrade it to 2012 r2 decommission it or stay at 2008r2 functional level. The attributes on the partitions container and on the domain head are correctly increased. After you set the domain functional level to a certain value you cannot roll back or lower the domain functional level with the following exceptions.
Dc side protections for protected users. Authenticate with ntlm authentication. All default active directory features all features from the windows server 2012 domain functional level plus the following features. Right click the domain on the left side and select raise domain functional level.
Value of 4 windows server 2008 r2 domain level. Take a look at the article below for more info. Log in as domain administrator. If you are going to raise functional levels to 2012 r2 all your domain controller must be running windows 2012 r2.
Windows server 2012r2 domain functional level features. After you use the lightweight directory access protocol ldap tools to edit the functional level click ok to continue.