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