$poweredonguests = Get-VM -Location (Get-Folder -Name VLAN234_VM) | where {$_.PowerState -eq "PoweredOn"}

ForEach ( $guest in $poweredonguests )
{
    Write-Host "Processing $guest ...." -ForegroundColor Green
    Write-Host "Checking for VMware tools install" -Foregroundcolor Green
    $guestinfo = get-view -Id $guest.ID
    if ($guestinfo.config.Tools.Tools -eq 0 -or $guestinfo.Config.Tools -eq "notRunning")    {
        Write-Host "No VMware tools detected on $guest , must hard power this one off" -ForegroundColor Yellow
        Stop-VM $guest -confirm:$false
    }
    else
    {
       write-host "VMware tools detected.  I will attempt to gracefully shutdown $guest"
       $vmshutdown = $guest | Stop-VMGuest -Confirm:$false

    }

}

While ( Get-VM -Location (Get-Folder -Name VLAN234_VM) |
  Where {$_.powerstate -eq "Poweredon"}){
  Write-Output "$guest is still powered on please wait"
  Sleep 5
}