Setup Procedure
1.From the Start menu, select [All Programs] > [Administrative Tools], and then select [Server Manager].
The Server Manager appears.
2.Open [Server Manager] > [Roles], and then select [Add Roles].
The Add Roles wizard appears.
3.Click [Next].
The Select Server Roles page appears.
4.For Server Roles, select the [Active Directory Domain Services] check box and then click [Next].
An overview of the selected settings is displayed.