We are having novell 4.11 server. due to hard disk problem we have replaced scsi hard disk. old hdd is makeing lot of noise otherwise working ok. now with new hdd windows xp machine get disconnected after some time. xp machine is having novell client. it's works fine with old hdd novell. and rest 10 desktop having bootrom. we have copied net$dos.sys from old server as it is. with attrib sh-r-w. when we copying old data from xp desktop to new novell server. utilization of server goes to 60 % during this diskless node stop after vlm...and gives seek error....please help me..