<#
    Author:
        Andy Horne, Wavenet
    Reference Source:
        https://learn.microsoft.com/en-us/answers/questions/262724/configure-gpo-to-trun-off-metered-network-connecti
    Synopsis:
        Turn off metered LAN connection which causes issues with SCCM communications and actions.
        Dependancy on LAN connection being named 'Ethernet'
        Restart of PC not required (dependant service 'DusmSvc - Data Usage' restarted)
    Version Control
        v1.0 06/12/2024 - Andy Horne, script creation / adaption from online source  
#>

$bChanged = $false
$oEthernetNICs = (Get-NetAdapter | Where{$_.InterfaceDescription -like "Ethernet*"})
foreach ($oNIC in $oEthernetNICs) {
    if ($oNIC.Status -eq "Up") {
        $sGUID = $oNIC.InterfaceGuid
        $sRegPath = "HKLM:\SOFTWARE\Microsoft\DusmSvc\Profiles\$sGUID\*"
        if (Test-Path -Path $sRegPath ) {
            $iCost = (Get-ItemProperty -Path $sRegPath -Name UserCost).UserCost
            if ($iCost -ne 0) {
                # turn off metered connection (2=turn on)
                Set-ItemProperty -Path $sRegPath -Name UserCost -Value 0 | Out-Null 
                $bChanged = $true
            }
        }
    }
}  
if ($bChanged -eq $true) {
    Restart-Service -Name DusmSvc -Force
    Write-Host "Metered LAN connection turned off."
} else {
    Write-Host "No metered LAN connections found."
}