Question: what is the difference between windows server 2012 and windows server 2012 r2?
Answer: When it comes to the user interface, there's little difference between Windows Server 2012 R2 and its predecessor. The real changes are under the surface, with significant enhancements to Hyper-V, Storage Spaces and to Active Directory. ... Windows Server 2012 R2 is configured, like Server 2012, via Server Manager.