1. In Device Manager, click View and select Show Hidden Devices - make sure
that there are no extra or duplicate adapters listed.

2. Delete all A and PTR records for this machine from your DNS server.

3. Delete the any DHCP leases for this machine from your DHCP server.

4. Reboot.

Doug Sherman
MCSE Win2k/NT4.0, MCSA, MCP+I, MVP

"marcela galindo" wrote in message
news:4c6d01c3e469$06195b90$a401280a@phx.gbl...
> Hi
> I desinstalled 2 networks adapter and after that i
> reinstalled them, but, the system or the registry, i don't
> know, detects the adapters as i never desintalled them,
> and the system sent me a error: "a duplicated name on the
> net".
>
> How I can delete from de system or the registry the old
> information?
>
> I hope that you could helpme.
>
> Thanks