You r wrong. Microsoft Forefront Perfectly Works with Windows Server Editions! I've used myself in some workplace and seen used by many in other places too.
ESET file security is not as good as Forefront. In most IT companies and Multinational Business Centers, they use Forefront/Symantec. Microsoft gives more support for Forefront customers than others do. There are 3-4 types in forefront. Check in here: technet(dot)microsoft(dot)com/en-us/library/ff630950(dot)aspx
I know the Perfect Solution Good Morning Pramu & Friends Have you heard COMODO ESM 3.0? It is the perfect for your Windows 2012 server. The End Point Security Management console is extremely user friendly and easy to understand yet it is the only guaranteed solution on the market... Yes I said Guaranteed!!!! They actually offer a $5000 Virus free Warranty!!! Lets just say They make unknown files non-existent thru there patented Default deny Sand-Box Technology I work with a Managed Service Provider and he swears by them... he referred me to his IT specialist at COMODO I'm not sure if his name is Tony, Anthony, or Tommy but I do have his contact info...Give him a ring and he can definitely help u Here is the number 201-620-6744