To check FSMO roles from command, run the command " netdom query fsmo ". Schema Masters and Domain Naming Masters are limited to one per forest, whereas the rest are limited to one per domain.
Primary Domain Controller (PDC) Emulator. Those 5 FSMO roles are as follows: Relative ID (RID) Master.When DC creates a security principal object, it attaches a unique Security ID to the object. It is also responsible for deleting the object from the object's domain and placing it in another domain while the object is moving. The RID master FSMO role owner is a single DC responsible for handling RID pool requests for all DCs in a given domain. When the Active Directory Installation Wizard (Dcpromo.exe) creates the first domain in a new forest, the wizard adds five FSMO roles. It means that the relevant FSMO role owner must be online, discoverable, and available on the network by computers that must perform FSMO-dependent operations.Primary Domain Controller (PDC) Emulator – one per domain. Relative ID (RID) Master – one per domain. In Windows, the 5 FSMO roles are: Schema Master – one per forest.Here, on each tab, you can see which Domain Controller has the above FSMO roles. Open the Active Directory Users and Computers console, right-click the domain and then Operations Masters. Ost_How to determine which DC has the domain-specific FSMO roles, ie RID Master, PDC Emulator and Infrastructure Master.