I hope someone can help me on this.
1) After installing the Virtual PC, USB port on original platform is not
able to be detected by lower platform of virtual PC.
2) I am working in transportation filed and most of the time involving in

I don't understand the differenc between a Differencing Disk and an Undo
Disk. Can someone enlighten me? They both allow me to save and update data on
the disk without actually changing the base disk, and then discard the
updates later.

I downloaded VirtualPC 2004 trial version, and I want to buy some licenses,
but I've got a pair of  questions:
a) Do I have to desinstall the trial version and lose the installation
already made? It took a long time to install it.

I have been working on VPC for awhile and think this product is really great.
At this moment I am working on a project that requires VPC. Here is the
detail:
I have 2 computers (let say computer A and B) within a LAN. Both of them are

Fellow VPC users,
    I am trying to use the named pipe feature of VPC 2k4 to connect two
virtual machines together. In VPC #1, I am running a custom Linux distro that
outputs information to COM 1. In VPC #2, I have tried both XP w/hyperterm and

XP sp2 host, win98se vm.
adapter1 - shared networking (nat)
adapter2 - my ethernet card
trying to give access to win98se vm, but on boot get this message - The

Mini newsgroup FAQ for the week of 9/12/2004
HTML version available here: http://vpc.visualwin.com/ngfaq.aspx
Table of Contents
1.. Where can I find more information on Virtual PC?

Can Linux work with Virtual PC? If so, which vendor and release of Linux
works with VPC?

After now testing and testing with VPC 2004 I can not
recommend VPC 2004 to use it together with MS-DOS or
Windows xyz together with IPX/SPX software.
The software (MS-DOS based) is much, much, much slower

It looks like VS is now released complete with a web site at:
http://www.microsoft.com/windowsserversystem/virtualserver/evaluation/vso
verview.mspx
COOL!

I have read several threads where disabling TCP/IP offloading on the
network card for the host operating system improved the network
performance between host and guest (and vice versa).  I too disabled
this setting and realized the performance improvement.

how can user have the same permissin in other domain as
in ther on domain if the sid is not valid on the other
domain ?

I've been running full version of Virtual PC (build 582) for a couple of
weeks now.
Today when I go to use it I can not get it to accept any keyboard input
within a virtual machine window - right alt + enter won't give full screen,

I can't find anywhere in the documentation how to make a copy of a virtual
machine or make a full backup.
Is it just not possible to do this?
Thanks

I have win xp pro installed on first hard disk (Total capacity 8.5 gb, free
space 1 gb ) I have sucessfully installed virtual pc on C: . but when i click
Action .. Start the OS starts its procedure for detecting the system conf..
etc , then shows the error that the current os is ...