Hi
May be this can Help.
http://codebetter.com/blogs/paul.lau...k-Adapter.aspx
Jack (MVP-Networking).

"Gaute" <Gaute@nospam.nospam> wrote in message
news:eRmTRDGdIHA.5788@TK2MSFTNGP03.phx.gbl...
> How can I communicate between my laptop and a Virtual PC with TCP when the
> LAN cable is unplugged?
> ---
> I have a Lenovo laptop with Vista Ultimate SP1. On this laptop I run
> Virtual PC 2007 with XP Pro.
>
> When the laptop is connected to a LAN i can ping the "VPC XP", but when I
> unplug the the laptop's LAN cable it is not possible to ping the "VPC XP".
>
> I have tried to install the microsoft "loopback adapter" and setting
> static IP address 10.3.6.250 on it and 10.3.6.251 on the "VPC XP", but it
> is not possible to ping 10.3.6.251 (ping say: Reply form 10.3.6.250:
> Destination host unreachable). I have never tried the loopback adapter
> before so I guess I am doing something wrong.
>
> Best regards from Gaute
>
>
>
>
>