To configure the license server on RDSH/RDVH:

$obj = gwmi -namespace “Root/CIMV2/TerminalServices” Win32_TerminalServiceSetting

$obj.SetSpecifiedLicenseServerList(“License.contoso.com”)

Note “License” is the name of the License Server in the environment

To verify the license server configuration on RDSH/RDVH:

$obj = gwmi -namespace “Root/CIMV2/TerminalServices” Win32_TerminalServiceSetting

$obj.GetSpecifiedLicenseServerList()

To change the licensing mode on RDSH/RDVH:

$obj = gwmi -namespace “Root/CIMV2/TerminalServices” Win32_TerminalServiceSetting

$obj.ChangeMode(value) – Value can be 2 – per Device, 4 – Per user

To validate the licensing mode:

$obj = gwmi -namespace “Root/CIMV2/TerminalServices” Win32_TerminalServiceSetting

$obj. LicensingType

$obj.LicensingName

Créditos: http://blogs.technet.com/b/askperf/archive/2013/09/20/rd-licensing-configuration-on-windows-server-2012.aspx