Install Read Only Domain Controller
Follow the same steps to add Active Directory Domain Services and DNS roles as mentioned in previous article. Once roles and features installation completed, move to next step.
Click [Add a domain controller to an existing domain] enter domain name under Domain box and Click Select.
Enter Username and Password. Click OK
Select Domain and Click OK
Select Phoenix from Site box, enter DSRM password and Click Next.
Click Select to add username which administer RODC
We have precreated (rdcadmin) user for RODC Administration. Click OK
Select Any domain controller from Replication box and Click Next
Read Only Domain Controller installation completed
We have completed Active Directory setup for Parent, Additional and Read only domain controller.