Uninstall or Demote DNS Domain Controller (DC) in the order

Before uninstalling DC, just look in to the following conditions to be met for successful uninstallation or demotion of a Domain Controller (DC) for a DNS domain.

1. If the Domain Controller is the main domain controller(not necessarily root domain controller). i.e If the Domain Controller is not additional domain controller for the domain then,

a) If the domain have any child or subdomains, then domain controllers (DCs) for child domains needs to be demoted first.

b) if the domain controller don't have any subdomains, then demote the DC following procedure described at Remove the Main DNS Domain Controller (DC) and select the option "This dns server is the last domain controller in the domain" as shiown below.
















2. If domain controller is additional domain controller, then unstall this domain controller by using command dcpromo as described at how to remove additional domain controller and unselect the option "This dns server is the last domain controller in the domain" as shown below.