This post is a continuation of my battle to compelte a cohesive intranet; and some more ramblings about Sharepoint. Its turned into a monster of a project this one. The external single sign on (SSO) was a breeze - thanks to Forefront Threat Management Gateway (TMG) - but this presented an issue - internal or external, you would be faced with a logon screen. Not ideal - internally we wanted a double SSO which would use your Active Directory logon session to SSO with the TMG HTTP session. ...