I don't know how to do this in the registry but you can find the active
connection by opening a command prompt window and typing ipconfig /all

"kris_scheyer@yahoo.com" wrote:

> Hi,
>
> I have two network interfaces on a machine and was wondering if it's
> possible to determine which one is active and which one is not through
> the registry.
>
> I know that the network interfaces are all under
> /LM/SYSTEM/CurrentControlset/Services/tcpip/parameters/interfaces/xxxxxxx
>
> Are there any keys or values in the interfaces folders that determine
> if the interface is active or not?
>
> Thanks!
>
> kris
>
>