We still don't know how you connect to two domains, VPN or they are in the same subnet. The only answer I have is computer browser issue may be related to the WINS or master browser. This link may help too,
Computer BrowserIn a small mixed OS workgroup network, you may want to disable W2K/XP master browser and keep w9x or NT master browser because XP/W2K always win elections ...
http://www.chicagotech.net/browser.htm
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
In XP I would map network drive....pick the drive letter i wanted and then
Browse to see Browse For Folder...in here i would see My Network
Places>Entire Network>Both of our domains.....I then can expand the Server in
outside office and connect.....With Vista....Map Network Drive>Browse to see
Browse For Folder and in here i see.....Select a Shared
Folder>Network.....and here i see my PC and another PC......this time...in
the past i have seen other PCs on the domain i'm working in but do not and
have never had the ablilty to connect to the other domain......
How do you do that in Vista......????????????