An easy way to transfer FSMO roles
There are multiple ways to transfer the FSMO roles. If you are like us, and when you transfer one role, you usually need to transfer them all, this one-liner is a beauty to get the job done.
Open PowerShell as an Administrator on one of the domain controllers and run the following command:
Move-ADDirectoryServerOperationMasterRole -Identity <NewServerName> -OperationMasterRole SchemaMaster, DomainNamingMaster, PDCEmulator, RIDMaster, InfrastructureMaster