Manage-SurfaceNetworkAdapter

Get-CMSurfaceNetworkAdapter

Function Get-CMSurfaceNetworkAdapter {
Param(
    [string]$Add,
    [string]$Remove,
    [switch]$ListSurfaceAdapters
)
    #Based on following technet article: https://blogs.technet.microsoft.com/system_center_configuration_manager_operating_system_deployment_support_blog/2015/08/27/reusing-the-same-nic-for-multiple-pxe-initiated-deployments-in-system-center-configuration-manger-osd/

    $Root = 'HKLM:\SOFTWARE\Microsoft\SMS\Components\SMS_DISCOVERY_DATA_MANAGER'
    $Item = 'ExcludeMACAddress'

    if ($ListSurfaceAdapters){
        Get-NetAdapter | ? {$_.ifDesc -eq 'Surface Ethernet Adapter'}
    }elseif($Add){
      #Too add
    elseif($Remove){
      #Too Add
    }
    }else{
       (Get-ItemProperty -Path $Root -Name $Item).$Item
    }    
}