Metric Hosting Ltd.

I am having a similar problem. I am trying to set up a new win 2003 32 bit server. Currently running win2k on another machine which will eventually get win 2k3 once I have this win2k3 box working right. Last night I first connected these computers through a Linksys network everywhere 5 port hub. They can both connect to the internet and the win2k box is currently hosting out sites. After two hours of trying to get the computers pinging each other and or seeing each other in my network places, through no fault of my own, they connected. Came back to them today, having touched nothing and neither machine restarting, they cannot access each other. The win2k box can see the win2k3 machine in entire network but can no longer connect to it. The win2k3 machine does not see the win2k box besides one of the shared hd's, but cannot accesss. Any help on getting these computers connected and sharing would be of great help.