I have had my two machines seeing each other when one my server XP home was running and my other XP Pro was going. ever since i have upgraded to xp pro on my server box my other xp pro wont connect to the net. They see each other and file sharing is enabled on both and internet is sharied on both. there is cat 5 from the cable modem to my box then to a hub then out and about. Any thing else i have left out? Any information i can give you to help me out?