windows-xp/Source/XPSP1/NT/net/config/netcfg/rascfg/l2tp.rgs

HKCR
{
    Delete Network.L2tp.1
    Delete Network.L2tp
    NoRemove CLSID
    {
        ForceRemove {6E65CBC6-926D-11D0-8E27-00C04FC99DCF} = s 'L2TP Configuration Configuration Notify Object'
        {
            Delete ProgID
            Delete VersionIndependentProgID
            InProcServer32 = s '%MODULE%'
            {
                val ThreadingModel = s 'Both'
            }
        }
    }
}