when i type in the url to my OWA website i have to specify HTTPS or else it fails with the following error "Page Cannot be Displayed" 403 forbidden. Internally (On LAN) is ok, but from external i must put enter https. Can anyone tell me how to fix this? I am running SBS2003 with ISA 2000 Feature Pack 1. OWA works fine otherwise. eg. if i enter the following it fails mail.domainname.com.au but when i enter https://mail.domainname.com.au it goes to OWA site. Any ideas would be appreciated. Many thanks Phil.