This script will install the needed prerequisites for the Mailbox Role of exchange 2016 “preview” on server 2012 r2 .
It will install the following:
– windows Componets
– .NET Framework 4.5.2
– Microsoft Unified Communications Managed API 4.0, Core Runtime 64-bit
You can download the script here:
https://gallery.technet.microsoft.com/scriptcenter/Exchange-2016-prerequisites-9a0b5e17