The prerequisites for installing SCCM and the associated servers and site system roles can be complex. Luckily, there is a very helpful tool available on the Microsoft TechNet website – The ConfigMgr Prerequisites Tool!
https://gallery.technet.microsoft.com/ConfigMgr-2012-R2-e52919cd
This is such a wonderful tool. It will do pretty much everything you need from one, very nice, interface – including:
- Create System Management Container
- Extend AD Schema
- Install Server Roles & Features
- Install Windows ADK 8.1
Go ahead and use this tool, it will make your SCCM installations a breeze!