Follow these steps to promote the server to a domain controller:
- Open Server Manager or return to it when you've accomplished the previous steps
- In the left navigation pane, click AD DS.
- Click the More... link in the yellow ribbon titled: Configuration required for Active Directory Domain Services at server.
- In the All Servers Task Details and Notifications, follow the link to Promote this server to a domain controller:
- This starts the Active Directory Domain Services Configuration Wizard.