I had a problem at a customer to day.
After I have deployed a virtual Windows 2012 R2 server from MDT to a Hyper-V 2012 R2 enviroment – it was not possible to activate the virtual server with Microsoft Automatic Virtual Machine Activation.
The error was “cannot find the KMS server”!
Enter the Microsoft Automatic Virtual Machine Activation by using this command:
cscript.exe c:\windows\system32\slmgr.vbs /ipk DBGBW-NPF86-BJVTX-K3WKJ-MTB6V
The it was now possible to activate the virtuel Windows 2012 R2 server
The it just was putting it into the MDT deployment solutions:
To read more about the Microsoft Automatic Virtual Machine Activation https://technet.microsoft.com/en-us/library/dn303421.aspx