Your error message got cut off. Can you please repost it to the mailing list. - John Adeel Baig wrote: > Hi > I was using Ns-2.1b5 on unix.I was accessing it from > the centrlized server.It was running fine.Now I wanted > to install 2.1b6 in my login area.I have alloted extra > space for that.I unzip and untar the whole file but in > installation the following error message comes.