$username = "domainadministrator"
$password = "Your password"
$credential = New-Object System.Management.Automation.PSCredential -ArgumentList $username, $password
$computers = Get-ADComputer -Filter *
foreach($computer in $computers){
    $computerDNS = $computer.DNSHostName
    $hotspot = Invoke-Command -ComputerName $computerDNS -credential $credential -scriptblock {
        $hotspot = Get-Service "icssvc"
        if($hotspot.Status -eq "Running"){
            Write-Host "Hotspot is turned on on $env:computername" -ForegroundColor Red
            try{
                Start-Service "icssvc"
                Write-Host "Successfully stopped service on $env:computername" -ForegroundColor Green
            }catch{
                Write-Host "Unable to stop service on $env:computername" -ForegroundColor Red
            }
        }else{
            Write-Host "No Hotspot running on $env:computername" -ForegroundColor Green
        }
    }
}