If an FSMO role that has been taken offline is intentionally or unintentionally returned to services, it should replicate changes on the directory partition. The directory partitions maintain each operations master are defined in the following tabular column.
|Opearation Master Role||Directory Partition|
|Schema Master||Schema Partition|
|Domain Naming Master||Configuration Partition|
|PDC(Primary Domain Controller) emulator||Domain Partition for the operation master role owners domain|
|RID Master||Domain partition for the opearation master role owners doamin|
|Infrastructure Master||Domain partition for the opearation master role owners doamin|