Domain Functional Level 2003 Vs 2008 R2
In addition all domains that you subsequently add to that forest will have the windows server 2008 r2 domain functional level by default.
Domain functional level 2003 vs 2008 r2. As you can see the domain with a dfl of windows server 2012 r2 on the left has the additional redtrictedadmin option with mstsc exe while the domain with a dfl of windows 2008 does not. The changes only add the aes hashes during the one dfl change from 2003 to any higher level 08 08r2 12 12r2 domain 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.
As a result any domain controller that runs windows server 2008 r2 and older should be removed from the domain. Welche domain controller bei welchem domain functional level unterstützt werden geht ebenfalls auf der liste hervor. You can find details on this behavior and how to revert the domain or forest functional level here.
Today i recognized that it is not easy to find a comprehensive summary table about active directory domain and forest functional levels operating mode on the internet. Die folgenden tabelle stellt dar wie sich die windows server versionen bezüglich domain functional levels geändert haben. Why does this happen only during the 2003 dfl change.
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. If your domain are running at 2003 domain and forest functional level have no roll back to windows 2003 domain and forest functional level. Es sind im windows server 2008 modus ausgeführte domänenbasierte dfs namespaces einschließlich der unterstützung für die zugriffsbasierte aufzählung und bessere skalierbarkeit verfügbar.
The windows 2000 windows server 2003 and windows server 2008 domain functional level values will not be available on the set domain functional level wizard page. At the windows server 2008 and higher domain functional levels distributed file service dfs replication is used to. The roll back is valid for 2008r2 domain and forest level up to roll back to 2008 domain and forest level.