Domain Functional Level Upgrade Path
This functional level is provided for upgrades of existing windows nt 4 0 domains where one or more windows nt 4 0 backup domain controllers bdcs must function after the upgrade.
Domain functional level upgrade path. Doing this saves time and enables all the forest level and domain level features in windows server 2008. Adprep forestprep needs to be run only once in the forest. Domain upgrades from windows nt 4 0 to windows server 2003.
They also determine which windows server operating systems you can run on domain controllers in the domain or forest. Once the functional level has been upgraded new dcs on running on downlevel versions of windows server cannot be added to the domain or forest. Functional levels determine the available active directory domain services ad ds domain or forest capabilities.
Windows 2000 server and windows server 2003 use file replication service frs to replicate sysvol whereas windows server 2008 uses the newer dfs replication service when in domains that use the windows server 2008 domain functional level and frs. For more information about supported upgrade paths see supported upgrade paths. However if you want all domain controllers in your new windows server 2008 environment to run windows server 2008 set the forest functional level and then the domain functional level to windows server 2008 when you install the first domain controller in your forest.
When you create a new domain or a new. Welche domain controller bei welchem domain functional level unterstützt werden geht ebenfalls auf der liste hervor. Informationen zu windows server 2016 und neue features in active directory domänendienste ad ds finden sie unter was ist neu in active directory domain services für windows server 2016.
Die folgenden tabelle stellt dar wie sich die windows server versionen bezüglich domain functional levels geändert haben. Windows nt 4 0 bdcs. Domain controllers use a special shared folder named sysvol to replicate logon scripts and group policy object files to other domain controllers.
To prevent these issues from arising a new dc must be at the same level or. The problems that might arise when installing downlevel dcs become pronounced with new features that change the way objects are replicated i e. By default when a new domain controller with windows server 2008 windows server 2008 r2 is being installed the lowest available functional level is windows 2000.