Danny, You have to enable some Access Policy before, since ISA Server comes all closed. please, verify if you have: - a rule on "site and content rule" enabling the site - a protocol rule enabling http/https/ftpdownload Denis > Hi, > > i installed Norton Antivirus 7.5 on my ISA computer, > but it doesn't connect to liveupdate to download the new > definitions. > Anyone can hel me, please ? > > Thank you in advance! > > Danny >