Hi, All, I have a problem looks like the above thins that you're talking about, I installed pcntpk and have network driver for Novell 3.12 server, and I logged in the server from Vmware Dos 6.22 virtual machine sucessfully, but, after after 5~15 minutes, the client network connection is interrupted (disconnected), what happened? could you help me? Optimasoft Technology (http://www.optimasoft.com.tw) Prime Ho