To do this, open the Server Manager, go to Tools > Add Roles and Features, and from Serer Roles, install the service mentioned earlier. Read: How to Setup Branch Cache in Windows Server.

Windows Server Essentials Experience lets you use features like Remote Web Access and PC backup without the restrictions of Windows Server Essentials.

How to create Windows unattended install iso This will create an ISO image with an unattended.xml answer file that you can use to boot and install windows server 2012 R2.