To determine the IPv4 addresses of Teredo servers, the client may send a DNS query to resolve the name. When activated, the Teredo client must initially obtain information such as the type of NAT that the client is behind by connecting to one or more Teredo servers. Teredo client in Windows Vista is enabled but inactive by default, but it will activate automatically when required or firewall settings allow an application to use Toredo. Users can turn off IPv6 support in Vista. IPv6 and Teredo is installed and enabled by default in Windows Vista, and users cannot uninstall them.

Teredo tunneling technology defines a way of encapsulating IPv6 packets within IPv4 UDP datagrams that can be routed through NAT devices and on the IPv4 internet. Teredo is a transition technology that allows a computer or node located behind a IPv6-unaware network address translation (NAT) device to use IPv6 connectivity to communicate with other computers that use IPv6. Select 'Show hidden devices' from the View menu.Īfter doing these steps, the device should appear in the device manger without any code 10's or other errors.How to Disable TCP/IPv6 Teredo Tunneling in Vista.Open Device Manager and Scan for new hardware.Open Device Manager and uninstall 'Teredo Tunneling Pseudo-Interface'.To get the driver working correctly you need to be running as an administrator To fix this issue use the following steps: You don't need any additional drivers either and there are plenty of fake driver sites offering Malware to fix this, don't fall for it. From experience you don't want to be using this technology because it is forever having issues and uninstalling/disabling itself. Sometimes there is an error code 10 that comes up in the device manager for this virtual device, often enable/disable is all that is required to get the thing working again. It was introduced in Windows Vista and is included with all modern versions of Windows. The setup has been a band-aid of sorts and has some security issues associated with it such firewall bypass and packet hijacking is possible. The Microsoft Teredo Tunneling Adapter is a software tunneling system that allows a IPv6 traffic over an IPv4 connecting to the Internet.

Update teredo tunneling adapter driver