>MAC address visible to my ISP?
>Hello,
>
>I have two computers, both run Virtual PC 2007, Vista Ultimate as a host OS
>and XP Prof. XP2 as a guest OS in a virtual machine. On both computers I
>configured the guest OS to use the NIC of the host system. The host and
>guest OS have different MAC addresses (as showed by GetMac command line
>utility.) Both computers are directly connected to my ISP (I do not use a
>router).
>
>There is a web site of my ISP, where I can check, which MAC address my ISP
>sees. If I visit this site with the first computer, then my ISP always sees
>the same MAC address for the host and guest OS and everything runs fine.
>
>On the second computer, my ISP sees different MAC addresses for the host and
>guest OS. The ISP sees the same MAC address, that I also see, if I use
>GetMac command line utility on the guest or host OS. Because my ISP allows
>only one computer (e.g. one MAC address) to access the internet for a given
>account, I can not get internet access in the virtual machine of my second
>computer. (The login using PPPoE fails.)
>
>Now my question: How can I configure the second computer to have only one
>MAC address visible to my ISP?
>
>Kind regards
>S. Baumann
>

>There I times, when I like bugs :-)
>Hello Robert,
>
>"Robert Comer" <(email address - cut out)> wrote in message
>news:(email address - cut out)...
>> To tell the truth, it's probably some kind of bug in you NIC driver
>> that the 1st PC shows the same NIC for both host and guest, that's not
>> the way it's supposed to work for assigning the NIC to the VM.
>
>Thanks for the reply. This works. But it works better with the bug on my
>first computer, because I get the full bandwidth twice: once for the guest
>OS and once for the host OS, because my ISP does not expect this "feature".
>With Shared Networking, both OSs share the bandwidth that the ISP assigns to
>my Ethernet connection. There I times, when I like bugs :-)
>
>Kind regards
>S. Baumann

> To tell the truth, it's probably some kind of bug in you NIC driver
> that the 1st PC shows the same NIC for both host and guest, that's not
> the way it's supposed to work for assigning the NIC to the VM.

>Both computers are directly connected to my ISP (I do not use a
>router).

> "S. Baumann" <(email address - cut out)> wrote:
> >Both computers are directly connected to my ISP (I do not use a
> >router).
>
> Note that by not using a router or other firewall your OSs are
> susceptible to being hijacked by viruses until you get the OS patches
> installed. =A0 =A0 Now this may not be applicable to Win XP or newer with
> their built in firewall. =A0
>
> However that is certainly possible in Windows 2000 as I found out a
> few years ago at my aunt's place. =A0 I started up the Win2000 unpatched
> VPC and after ten minutes saw a Windows Messenger spam. =A0Having never
> seen one before I said "Hey, look at that." =A0 Then I got to thinking
> and hastily unplugged the network card. =A0My unpatched Win 2000 VPC had
> been infected with three virusses by then.
>
> Tony
> --TonyToews, Microsoft Access MVP
> =A0 =A0Please respond only in the newsgroups so that others can
> read the entire thread of messages.
> =A0 =A0Microsoft Access Links, Hints, Tips & Accounting Systems athttp://=
> =A0 =A0Tony'sMicrosoft Access Blog -http://msmvps.com/blogs/access/