2012 R2 Server Essential - Windows Server 2012 R2 Essentials Microsoft Virtual Academy

Windows Server 2012 R2 Essentials  is very intersting for small companies. You can take a look at following blog articles for details

http://www.alessandromazzanti.com/2013/12/windows-server-2012-essentials-good.html

If you want take a look to its Microsoft Virtual Academy here is relative link:

http://www.microsoftvirtualacademy.com/training-courses/windows-server-2012-r2-essentials