Plan and Install Active Directory - MCSA Windows Server 2012 R2: Installation and Configuration Study Guide - page 174

TAble 3.1 Comparing domain functional levels (continued)

Domain functional
feature

Windows
Server 2003

Windows
Server 2008

Windows
Server 2008 R2

Windows
Server 2012

Windows
Server 2012 R2

Logon time stamp
updates

Enabled Enabled Enabled Enabled Enabled

Kerberos KDC key
version numbers

Enabled Enabled Enabled Enabled Enabled

Passwords for
InetOrgPerson
objects

Enabled Enabled Enabled Enabled Enabled

Converts NT
groups to domain
local and global
groups

Enabled Enabled Enabled Enabled Enabled

SID history Enabled Enabled Enabled Enabled Enabled

Group nesting Enabled Enabled Enabled Enabled Enabled

Universal groups Enabled Enabled Enabled Enabled Enabled

About Forest Functionality

Windows Server 2012 R2 forest functionality applies to all of the domains in a forest.
All domains have to be upgraded to Windows Server 2012 R2 before the forest can be
upgraded to Windows Server 2012 R2.
There are five levels of forest functionality:

Windows Server 2003

■

Windows Server 2008

■

Windows Server 2008 R2

■

Windows Server 2012

■

Windows Server 2012 R2

■

Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows
Server 2012, and Windows Server 2012 R2 have many of the same forest features. Some of
these features are described in the following list: