FSMO Roles

Flexible single master operation (FSMO) is a Microsoft Active Directory feature that is a specialized domain controller task used when standard data transfer and update methods are inadequate.

The roles

Forest Wide Roles:

Schema Master

Domain naming master

Domain Wide Roles:

PDC

RID pool manager

Infrastructure Master

How to Quickly check FSMO roles

CMD:

netdom query fsmo

Powershell

Get-ADForest yourdomain | Format-Table SchemaMaster,DomainNamingMaster

Get-ADDomain yourdomain | format-table