Summary: Use the new cmdlets in Windows Server 2012 R2 to set up an IP address on a computer with one network adapter.
How can I use Windows PowerShell to configure an IP address in Windows Server 2012 R2?
Use the Get-NetAdapter and Add-NewIPAddress cmdlets together.
For the IP address of 10.0.0.5, with a gateway of 10.0.0.1, and 24 bits for the subnet mask (255.255.255.0):
Get-NetAdapter | NEW-NetIPAddress -IPAddress $IPAddress -Defaultgateway $Gateway -Prefixlength $Prefix