Install the NFS Server service on Windows Server 2012 via PowerShell

The NFS Server role of Windows Server 2012 can be installed entirely from PowerShell, without going through Server Manager.

Open PowerShell as Administrator and run the following commands:

Import-Module ServerManager
Add-WindowsFeature FS-NFS-Service
Import-Module NFS

To create a share, for example exporting the folder C:\archive\test under the name nfstest:

New-NfsShare -Name nfstest -Path C:\archive\test

The share is immediately available to NFS clients; use Get-NfsShare to list the existing exports and Grant-NfsSharePermission to control which hosts can mount them.