Am a new Networking BEE I had built a small network of 20 systems at my office and there I had connected a switch and router. All the switch ports have been covered by all the systems and one port is given to the router switch(20)----router(LAN) | | | HUB(8ports) And also I connected a HUB to the switch .. It works fine for my internet connections to all the systems but how do i make authentication of passwords and username to my network systems from one server which I use server 2003 at one system let me know the detailed step by step procedure to build......... I would feel very happy If at all any Suggestions for me to make my Business grow..... As early as possible ................ Thanks in Advance Smiles....