1. Log into your Domain Controller
  2. Run Powershell as Administrator
  3. Type the below command to move your roles

Move-ADDirectoryServerOperationMasterRole -Identity “Target-DC” -OperationMasterRole SchemaMaster,RIDMaster,InfrastructureMaster,DomainNamingMaster,PDCEmulator


**Also keep in mind in a single domain/forest with two domain controllers the roles should be split as follows

  1. Domain Naming Master, and Schema Master
  2. RID Master, PDC Emulator, and Infrastructure Master