An optional feature is enabled on this DC. However, the functional level of the forest is incompatible with the complete ...

An optional feature is enabled on this DC. However, the functional level of the forest is incompatible with the complete behavior of this optional feature.


This condition could be due to a delay in replication to this Active Directory Domain Controller of a change to the functional level of the forest, and may correct itself automatically. If this condition persists, manual intervention may be necessary.



User Action

Raise the functional level of the forest to at least the minimum required functional level.



Optional feature: %1

Minimum required functional level: %2

Current functional level: %3