Domain Functional Level 2012
When you raise the domain functional level to windows server 2016 and if the forest functional level is windows server 2012 or lower you have the option of rolling the domain functional level back to windows server 2012 or windows server 2012 r2.
Domain functional level 2012. In the raise domain functional level select an available domain functional level from the drop down list. To raise the domain functional level on a samba active directory ad domain controller dc use samba tool. 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. 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.
Before you can raise domain and forest functional levels you have to evaluate your current environment and identify the functional level requirement that best meets the needs of your organization. Open up powershell and run following cmdlets. Get the current domain and forest functional levels. Raising the domain functional level using samba tool.
Assess your current environment by identifying the domains in your forest the domain controllers that are located in. Domain functional level dfl determines the features of a domain controller dc based on the windows server operating system os it runs on. All default active directory features all features from the windows server 2008r2 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.
Select start administrative tools active directory domains and trusts. Right click the domain you want to raise the functional level of as in example below and then select raise domain functional level. Functional level is included for use against windows but not supported in samba. Weitere informationen zu features.
Downgrade domain functional level from 2012 r2 2012 to 2008r2 2008 to downgrade the domain forest functional level there are no gui tools but we can use the powershell command available in windows server 2008r2 2012 2012r2 for our requirement. Then get addomain format list. Kerberos improvements from windows server 2012 and 2012 r2 are not implemented in samba. Windows server 2016 windows server 2012 r2 windows server 2012.
The kdc support for claims compound authentication and kerberos armoring kdc administrative template policy has two settings always provide claims and fail unarmored authentication requests that. Windows server 2012.