check_warranty.ps1

$service = New-WebServiceProxy -Uri http://143.166.84.118/services/assetservice.asmx?WSDL
if($args.count -ne 0){
    $serial = $args[0]
}
else{
    $system = Get-WmiObject win32_SystemEnclosure
    $serial = $system.serialnumber
}
$guid = [guid]::NewGuid()
$info = $service.GetAssetInformation($guid,'check_warranty.ps1',$serial)
if($info.count -eq 0)
{
    Write-Host "Machine is not a Dell"
}
else
{
    $warranty = $info[0].Entitlements[0]
    $expires = $warranty.EndDate
    $days_left = $warranty.DaysLeft
    if($days_left -eq 0)
    {
        Write-Host "Warranty has expired"
    }
    else{
        Write-Host "Warranty expires $expires."
        Write-Host "Warranty is valid for $days_left days."
    }
}