2012 r2 essentials

Have a server 2012 R2 Essentials DC-File server running on some old hardware (10+years). Have a second server 2012 R2 Standard running on newer hardware that isn't used for intended purpose, but still good hardware. (Xeon E3-1225 v5, 20GB Ram, 1TB raid5) The DC (old server) is serving a small...