Backup Exec 2014 License Concept

Hello out there,

Please let me know what license we need:

Windows 2012R2 - BE Media Server
- 3x ESXi 5.5 ( each 2x CPU - 6 Cores pro CPU ) Clustered with vCENTER 
-- Fileserver - WS12R2 
-- Exchange 2013 - WS12R2 
-- SQL Server - WS12R2 
-- DC - WS12R2 
-- DB Server - WS12R2 
-- Fileserver 2 - WS12R2 

We use deduplication Option.

Regards,