Forest Functional Level Lower Than Domain

In this lab i had the domain and forest functional level set to server 2016.

Forest functional level lower than domain. The forest functional level is set to 2 by using any method. Domain functional levels and forest functional levels. Anyway since you need to change both the forest and the domain level just perform these operations using an. Windows server applies to.

Domain admin rights should be enough to change the functional level of a single domain but it looks like this is not the case when lowering it although i wasn t able to find any documentation for this. In previous versions of windows server changes to domain functional levels dfl and forest functional level ffl could not be rolled back. With windows server 2012 and r2 it is possible to roll back forest and domain functional level with limitation as defined in table in the link. It would be helpful.

You cannot set the domain functional level to a value that is lower than the forest functional level. In this scenario the domain controllers block the transition to the forest functional level until all of the domains that are in the local area network are configured to native mode and the required attribute change is made in the security group scopes. Welche domain controller bei welchem domain functional level unterstützt werden geht ebenfalls auf der liste hervor. Die folgenden tabelle stellt dar wie sich die windows server versionen bezüglich domain functional levels geändert haben.

Rather than starting from scratch with this lab i decided to test lowering the functional levels from server 2016 to server 2012r2. Die anhebung des domain functional level muss mit einem benutzer durchgeführt werden der mitglied der domain admins gruppe ist. Funktionsebenen bestimmen die verfügbaren ad ds domänen oder gesamtstrukturfunktionen active directory domain services. This was fine until a few days later when i needed to test an application that was not supported for functional domains and forest levels greater than server 2012r2.

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. I was able to. Zudem sollte die anhebung gegen den domain controller durchgeführt werden der die pdc emulator fsmo rolle hält. Dieser artikel beschreibt das auslösen der domänen und gesamtstrukturfunktionsebenen die von microsoft windows server 2003 basierten oder neuer domänencontroller unterstützt.

Gesamtstruktur und domänenfunktionsebenen forest and domain functional levels. If you have to revert to a lower functional level with a version of windows server that is earlier than windows server 2008 r2 you must rebuild the domain or forest or restore it from a backup copy. With windows server 2008 r2 you can now revert back or lower both the domain functional level and forest functional level of your domain provided you meet the specific conditions and limitations of this new feature described below. You need enterprise admin rights in order to change the forest functional level.