Microsoft Teredo Tunneling Adapter Windows 7 Download: Patched

What Is the Microsoft Teredo Tunneling Adapter? The Microsoft Teredo Tunneling Adapter is a virtual network component built into Windows 7. It implements the Teredo protocol , an IPv6 transition technology. In simple terms, it allows a computer sitting behind a home router (which typically uses IPv4) to communicate with hosts on the emerging IPv6 internet by "tunneling" IPv6 packets through IPv4 networks.