Configure Licensing through PS

#Install Roles
 Get-WindowsFeature | ? { $_.Name -match "RDS-Licensing|RDS-RD-Server" } | Install-WindowsFeature

 #Allow RDP Access to the server
 Set-ItemProperty "hklm:\SYSTEM\CurrentControlSet\Control\Terminal Server" -Name "fDenyTSConnections" -Value 0

 #Per Device  
 #$licenseMode = 2

 #Per User  
 $licenseMode = 4

 #Licensing Server  
 $licenseServer = "$env:computername.$env:userdnsdomain"

 Set-ItemProperty "hklm:\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\Licensing Core\" -Name "LicensingMode" -Value $licenseMode  
 Get-ItemProperty "hklm:\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\Licensing Core\" -Name "LicensingMode"  
 New-Item "hklm:\SYSTEM\CurrentControlSet\Services\TermService\Parameters\LicenseServers"
 New-ItemProperty "hklm:\SYSTEM\CurrentControlSet\Services\TermService\Parameters\LicenseServers" -Name SpecifiedLicenseServers -Value $licenseServer -PropertyType "MultiString"  
 Get-ItemProperty "hklm:\SYSTEM\CurrentControlSet\Services\TermService\Parameters\LicenseServers" -Name SpecifiedLicenseServers   

 #Allow Shadowing Users
 # Values: 0 (No Remote Control), 1 (Full Control with user's permission), 2 (Full Control without user's permission), 3 (View Session with user's permission), 4 (View Session without user's permission)
 New-ItemProperty "hklm:\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" -Name Shadow -Value 2 -PropertyType "DWORD"

 #Update GPO for Shadowing Users
 gpupdate /force

 #Open the firewall for RDP
 netsh firewall set service remotedesktop

 #reboot may be needed from Windows Feature Installation

Source: http://www.allthingstechie.net/2014/05/configure-server-2012-and-2012-r2-with.html