Reset-AllInterfacesToDHCP.ps1

$IPType = "IPv4"
$adapter = Get-NetAdapter | ? {$_.Status -eq "up"}
$interface = $adapter | Get-NetIPInterface -AddressFamily $IPType

If ($interface.Dhcp -eq "Disabled") {
    # Remove existing gateway
    If (($interface | Get-NetIPConfiguration).Ipv4DefaultGateway) {
        $interface | Remove-NetRoute -Confirm:$false
    }
    
    # Enable DHCP
    $interface | Set-NetIPInterface -DHCP Enabled
    
    # Configure the DNS Servers automatically
    $interface | Set-DnsClientServerAddress -ResetServerAddresses
}