While processing of an Active Directory Domain Services replication request, the Active Directory Domain Services attempted ...

While processing of an Active Directory Domain Services replication request, the Active Directory Domain Services attempted to modify the list of enabled optional features for the forest.  The Active Directory Domain Services is currently enabling or disabling one or more optional features.  Therefore, modifications to the list of enabled optional features for the forest are not being accepted at this time, so the replication request failed.  The Active Directory Domain Services will temporarily discontinue this replication request.  The replication request will be attempted again later.
Request Details:
Object being modified: %1
Attribute being modified: %2
Value being modified: %3

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