In the next step Select Features screen click next.
Read the note in the Volume Activation Services screen and click next.
In the confirm installation selection page, confirm the installation and click Install.
Now you installed the Active Directory-Based Activation service, in the next section we will configure ADBA.
Configuring Active Directory-Based Activation
To configure the Volume Activation Services, log-on on the server where you installed it on and open the Server Manager, open the Volume Activation Tools. On the Introduction screen click Next.
On the Select Volume Activation Method screen select Active Directory-Based Activation and click Next.
On the Manage Activation Objects enter the KMS Host Key, which can be found here: http://technet.microsoft.com/en-us/library/jj612867.aspx Optionally you can specify a name for the Active Director Activation object. Click Next when you are done.