WakeOnLAN für die Netzwerkkarte remote über ein Powershell- oder WMI-Script aktivieren

Set-NetAdapterPowerManagement -Name Ethernet -WakeOnMagicPacket Enabled

$computers = gc 'C:\computerliste.txt'  

if ($PSVersionTable.PSVersion.Major -lt 3){write-host "ERROR: Minimum Powershell Version 3.0 is required!" -F Yellow; return}   

function Send-Ping([string]$device,[int]$delay){
    $ping = New-Object System.Net.NetworkInformation.Ping
    try{
        if($ping.Send($device,$delay).Status -ne "Success"){  
            return $false
        }else{
            return $true
        }
    }catch{return $false}
}
 
$computers | %{
    $computer = $_
    if (Send-Ping $computer -delay 500){
        try{
            gwmi Win32_Networkadapter -Filter "NetEnabled = 'True'" -ComputerName $computer -EA Stop | %{  
                $pnpid = $_.PNPDeviceId; $netcard = $_.Description
                gwmi MSPower_DeviceWakeEnable -Namespace root\wmi -ComputerName $computer | ?{$_.InstanceName -match [regex]::Escape($pnpid)} | %{
                    $_.Enable = $true
                    if($_.Put()){[pscustomobject][ordered]@{"Computer"=$computer;"Adapter"=$netcard;"Result"="OK"}}  
                }
            }
        }catch{
            write-host $_.Exception.Message -ForegroundColor Red
        }
    }else{
        [pscustomobject][ordered]@{"Computer"=$computer;"Result"="Computer was offline"}  
    }
}