You could get more modems and 56k phone lines but really you are pretty stuffed with that scenario, you could increase cache size so more regularly hit pages are cached on your server but this is not really going to help that much. > i'm running ISA server with 45 clients and on 56k modem > users are complaning slow performance > our telephone exchnge dos'nt offer ISDN line > how can i speed up its performance ?