On Fri, 10 Oct 2008 15:40:24 -0600, David Thielen
>We presently use the MAC address to get a GUID for each machine but
>each VM can have a different MAC address so that doesn't work for this
This is not specific for a Virtual Machine...
All PC:s can have multiple MAC addresses, since these are connected to
the network cards and you can have several such in each PC.
It is a misconception that a PC has a MAC address, in fact the network
card is the one with the unique MAC address. So the PC is associated
with one or several MAC addresses depending on the number of inserted
If a NIC breaks and is replaced with another then the MAC address also
So it is a bad idea to lock up software against a MAC address in the
Bo Berglund (Sweden)