If you don’t do this, then the DHCP server won’t be able to lease addresses to clients. Once you’ve installed a DHCP server on a computer running Windows Server, you need to authorize that server in Active Directory. Install-WindowsFeature DHCP -IncludeManagementTools If you have a new server on which you want to deploy DHCP, just run the PowerShell command:
Most organizations are already going to have DHCP deployed on their servers.