Intune Powershell Script to Set All Windows 10 Connectoins to UnMetered

#AllConnectionsUnMetered

#We need a Win32 class to take ownership of the Registry key
$definition = @"
using System;
using System.Runtime.InteropServices; 
 
namespace Win32Api
{
 
    public class NtDll
    {
        [DllImport("ntdll.dll", EntryPoint="RtlAdjustPrivilege")]
        public static extern int RtlAdjustPrivilege(ulong Privilege, bool Enable, bool CurrentThread, ref bool Enabled);
    }
}
"@ 
 
Add-Type -TypeDefinition $definition -PassThru | Out-Null
[Win32Api.NtDll]::RtlAdjustPrivilege(9, $true, $false, [ref]$false) | Out-Null
 
#Setting ownership to Administrators
$key = [Microsoft.Win32.Registry]::LocalMachine.OpenSubKey("SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\DefaultMediaCost",[Microsoft.Win32.RegistryKeyPermissionCheck]::ReadWriteSubTree,[System.Security.AccessControl.RegistryRights]::takeownership)
$acl = $key.GetAccessControl()
$acl.SetOwner([System.Security.Principal.NTAccount]"Administrators")
$key.SetAccessControl($acl)
 
#Giving Administrators full control to the key
$rule = New-Object System.Security.AccessControl.RegistryAccessRule ([System.Security.Principal.NTAccount]"Administrators","FullControl","Allow")
$acl.SetAccessRule($rule)
$key.SetAccessControl($acl)

New-ItemProperty -path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\DefaultMediaCost" -Name WiFi -PropertyType Dword -Value 1 -Force
New-ItemProperty -path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\DefaultMediaCost" -Name 3G -PropertyType Dword -Value 1 -Force
New-ItemProperty -path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\DefaultMediaCost" -Name 4G -PropertyType Dword -Value 1 -Force
New-ItemProperty -path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\DefaultMediaCost" -Name Ethernet -PropertyType Dword -Value 1 -Force
New-ItemProperty -path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkList\DefaultMediaCost" -Name Default -PropertyType Dword -Value 1 -Force

 

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