uCertain operations require a master role holder
uFSMO roles:
lOne master role holder per forest
lSchema Master - Schema Management
lDomain Naming Master - Domain Tree Management
lOne master role holder per Domain
lPDC Emulator – PDC for Windows NT 4.0 BDCs, Password conflicts, Domain Master Browser
lInfrastructure FSMO – Maintains
changes for cross-domain object references
lRid Master - RID Pool Allocation
uFirst DC in forest will maintain all five FSMO
roles
uNtdsutil can be used to transfer or seize a role