We have a Win 98 machine on our network that suddenly can not see the XP Pro machine. It used to work. It still sees the other (2000 Pro and one Win95) machines and they can all see the Win 98 machine. Using Network Neighborhood on the Win98 machine shows the XP Pro computer name, but clicking on it brings up a message box that says it "is not accessable. This device does not exist on the network."

Successfully setting up your home network is a two-part process: Install and configure the appropriate hardware on each computer. Run the Windows XP Professional Network Setup Wizard on each computer in your home network. Before you run the Network Setup Wizard, be sure you have addressed these concerns: The Network Setup Wizard is only supported on computers running Windows XP Professional, Microsoft® Windows® XP Home Edition, Windows Me, or Windows 98. Before setting up your home network, make sure that the ICS host computer has the Internet connection configured. When planning to run the Network Setup Wizard, make sure your computer is not a member of a domain. These setup options do not appear on a Windows XP–based computer that is a domain member