Below is some basic information on configuring a new Windows Server 2012 R2 Core installation. If installing the new server within VMware, use the menu option as normal to install/update VMware Tools. Launch a command prompt and use the following command via the D: drive or whatever drive letter the CD-ROM is mapped to. The server should restart automatically.
Setup64.exe /s /v /qn
To perform some basic configuration, the sconfig.cmd command will display a menu list of various tasks.
A PowerShell prompt can be launched by simply using the command powershell. Below are some examples of disabling the tunneling protocols and IPv6.
Set-NetTeredoConfiguration -Type Disabled
Set-NetIsatapConfiguration -State Disabled
Set-Net6to4Configuration -State Disabled
Set-NetAdapterBinding -name <NIC name> -DisplayName "Internet Protocol Version 6 (TCP/IPv6)" -Enabled:$false