CVAD 2402 CU1 Gray Screen

# https://community.citrix.com/forums/topic/250460-cvad-connectionfailure-after-install-ltsr-2203-cu2-on-server-2022/?do=findComment&comment=77537
 
$iddHwId = "VEN_5853&DEV_1003"
$pnpDispDevPath = "HKLM:\SYSTEM\CurrentControlSet\Enum\SWD\RemoteDisplayEnum"
 
try{
    $iddDevEntries = Get-ChildItem -Path $pnpDispDevPath `
        -ErrorAction Stop|
            Where-Object Name -Match $iddHwId
} catch{
    Write-Output "Failed to query remote ID device entries"
    Write-Output $_
    return
}
 
if($iddDevEntries.Count -eq 0){
     Write-Output "No remote ID device entries found."
     return
}
 
$iddDevEntries |
    ForEach-Object{
        $devName = ($_.Name -Split "\\")[-1]
     
        try{
            Remove-ItemProperty -Path $_.PsPath * `
                -ErrorAction Stop
            Write-Output "Cleared values for $devName"
        } catch{
            Write-Output "Failed to clear values for $devName"
            Write-Output $_
        }
    }