The "Allow operation while in public network" setting on the LLTDIO Driver should be configured correctly. (1) enabled/disabled (1) GPO Settings: Local Computer Policy\Computer Configuration\Administrative Templates\Network\Link-Layer Topology Discovery\Turn on Mapper I/O (LLTDIO) Driver - Allow operation while in public network (2) HKLM\Software\Policies\Microsoft\Windows\LLTD\AllowLLTDIOOnPublicNet, oval:org.secpod.oval:def:14605 SCAP Repo OVAL Definition 2013-08-13