Raise Forest Functional Level Before Domain

If your domain controller is server 2008 and you have no older domain controllers there should be no issue.

Raise forest functional level before domain. You can do it. Active directory sites and trusts right click active directory domains and trusts raise forest level. The forest functional level ffl determines the features of active directory domain services ad ds that are enabled in a forest. View this best answer in the replies below.

To be able to promote the first domain controller on windows 2019 you have also t migrate the system replication for sysvol from frs to dfs r. Dieser artikel beschreibt das auslösen der domänen und gesamtstrukturfunktionsebenen die von microsoft windows server 2003 basierten oder neuer domänencontroller unterstützt. This restriction exists because the features often change the communication between the domain controllers or because the features change the storage of the active directory data in the database. After the domain functional level is raised to a higher level it can only be changed back to an older level by using a forest recovery.

It specifies a minimum functional level at which all dcs operate. The forest functional level can be changed by right clicking active directory domains and trusts and selecting raise forest functional level before doing this step you must ensure that all domains in the forest are at the level required for the change. When the functional level of a forest or domain within active directory is raised certain set of advanced features become available to the users. After upgrading all dcs in the domain or forest the administrator is able to raise the functional level and this level acts as a flag informing the dcs and other components as well that certain features can now be enabled.

Right click the domain you want to raise the functional level of as in example below and then select raise domain functional level. When the domain functional level is raised it not possible to promote operating systems that are running earlier versions of the os. You have first migrate all domain controller in your forest to windows server 2016 to be able to raise the forest functional level to windows 2016. The new domain controllers must have the same or latest os that the functional level of the forest or domain.

Every ffl incorporates its own set of features that. Select start administrative tools active directory domains and trusts. Learn how your comment data is processed. In the raise domain functional level select an available domain functional level from the drop down list.

Right click on your domain raise domain functional level.