In order to tackle this problem YOU must be able to understand and describe your current working network to us so that we can help you. If you can not or are not willing to go into detail, then there is no way for us to help you. I assume that you have a LAN. Are you usig a hub or a switch? Describe the PCs or devices on this LAN? What are their OSs? What is the IP address assignment on this LAN? Static (hand typed in) or Dynamic (automatic via DHCP)? Do you connect to the internet? If so, how? Cable modem? DSL? Dialup? ISDN? Satellite? Describe how things a wired together. Describe your end goal: What results do you eventually want?