At the school where I work at we recently just got a Poweredge 2600 with Server 03 on it. Now we are having the problem of user machines are randomly loosing their network connection. We ar just using Microsoft client, and active user and computer directory to manage all the accounts. There are around 150 computers on the network, ranging from Me to XP pro. Mostly 98 and Me. What could be causeing the them to loose the network connection?