Method/Step
1. Execute win7 System "start" 丨 "Administrative Tools" 丨 Server Manager command, in the Server Manager window, click the console tree 丨 role option on the left, click the Active Directory Domain service button on the right, and then click Active The Directory Domain Services Installation Wizard (dcpromo. exe) button launches the Setup wizard and clicks the Next button continuously.
2. Until the dialog shown appears, click to select the existing forest to add a domain controller to an existing domain button, and then click the Next button.
3. In the dialog box, the account credentials for the installation are performed (This example uses Domain Admins LCHH), and then click the OK button to continue clicking the Next button.
4. Set the source of the domain data in the dialog box (this example uses the default copy data from an existing domain controller through the network), and it is recommended that you do not change it, and then refer to the method of installing the child domain, after the computer restarts, and the additional domain controller configuration is complete.