For a test, start both computers using clean boot. Can you ping each other
How to setup windows network, internet sharing, remote access and VPNHow to
run Windows OS with a clean boot. when you cannot determine the cause of the
issue, you may run Windows clean boot. ...
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
How to Setup Windows, Network, VPN & Remote Access on
"Michael David" <email@example.com> wrote in message
> have two vista ultimate vm's both have 192.168.1.x addresses and can ping
> default gateway and use the internet from the host nic in virtual pc 2007.
> Problem is no matter what configs I try whether private network with
> network discovery on and firewall on or off, they cannot ping each other
> by IP let alone computer name. What am I missing ? There is no third party
> software installed, just created the vm's today.