http://blogs.technet.com/rmssupp/archive/2007/09/04/how-to-get-a-passport-account-without-a-msn-hotmail-or-live-account.aspxA while ago I tried to sign up for a passport account using an e-mail address other than a Microsoft provided one, and seemed to end up nowhere. Here is a link that will allow you to register a non Microsoft provided e-mail account for the Passport service.en-USCommunityServer 2.1 SP1 (Build: 61025.2)