Powershell to cleanup the ghost virtual NetAdapters created for HyperV

clean-hyperV-ghost-netadapters.ps1

$adapterName = "Hyper-V Virtual Ethernet Adapter"
$badAdapters = Get-NetAdapter | ? {$_.InterfaceDescription.StartsWith($adapterName) -and $_.Status -ne "Up"}
$badAdaptersName = $badAdapters | select -ExpandProperty InterfaceDescription
$badGUID = Get-WmiObject win32_networkadapter -Property guid,Name | ? {$badAdaptersName.Contains($_.Name)} | select -ExpandProperty  GUID

foreach ($GUID in $badGUID) {
    Write-Host "Removing $GUID" -ForegroundColor Cyan
    $RemoveKey = "HKLM:\SYSTEM\ControlSet001\Control\Network\{4D36E972-E325-11CE-BFC1-08002BE10318}\$GUID"
    # Get-Item $RemoveKey | GCI 
    Remove-Item -Recurse $RemoveKey
}
# that worked

# cleanup

$reg_base = "HKLM:\SYSTEM\CurrentControlSet\Services\vmsmp\parameters\NicList"
foreach ($nic in gci $reg_base) {
    $guid = (($nic | Get-ItemProperty ).DeviceGuid).split("\")[2]
    if ( $badGUID.Contains($guid) ) {
        $RemoveKey = "HKLM:$($nic.Name)"
        Write-Host "Removing $RemoveKey" -ForegroundColor Cyan
        Remove-Item -Recurse $RemoveKey
    }
}