What does a forest functional level determine?

Functional levels determine the available Active Directory Domain Services (AD DS) domain or forest capabilities. They also determine which Windows Server operating systems you can run on domain controllers in the domain or forest.

What does raising the forest functional level do?

A forest functional level determines the functionalities of AD DS that are enabled in a forest. Raising an FFL increases the capabilities of all the domain controllers (DC) in the forest.

Can a Windows Server 2008 R2 functional level be lowered?

The Windows Server 2008 R2 Domain or Forest Functional level can be lowered to Windows Server 2008, and no lower, if and only if none of the Active Directory features that require a Windows Server 2008 R2 Functional Level has been activated. You can find details on this behavior – and how to revert the Domain or Forest Functional Level – here .

What are the features of forest functional level?

FOREST FUNCTIONAL LEVEL AVAILABLE FEATURES Windows Server 2016 Privileged Access Management (PAM) using Windows Server 2012R2 All available features of Windows Server Windows Server 2012 All available features of Windows Server Windows Server 2008R2 Active Directory Recycle BinAll availabl

Which is the default forest functional level in Windows Server 2003?

The Default selected forest functional level is Windows Server 2003 When you create a new domain or a new forest, set the domain and forest functional levels to the highest values that you know your environment can support. This way, you can take advantage of as many AD DS features as possible.

How to raise Active Directory domain and forest functional levels?

Supported features: There are no domain-wide features activated at this level. All domains in a forest are automatically raised to this level when the forest level increases to interim. This mode is only used when you upgrade domain controllers in Windows NT 4.0 domains to Windows Server 2003 domain controllers.