SharePoint and Web Single Sign-On using ADFS

As you evaluate single sign-on solutions, make sure to check out ADFS.  Here is some content to get you started...

Simplify Single Sign-on Using ADFS

Configure Web SSO authentication by using ADFS (Office SharePoint Server)

Configure Web SSO authentication by using ADFS (Windows SharePoint Services)

A Developer's Introduction To Active Directory Federation Services

Active Directory Federation Services

Knowledge Base Articles

Windows SharePoint Services and SharePoint Portal Server 2003 Support boundaries for Active Directory Federation Services

The role provider and the membership provider cannot be called from Windows SharePoint Services 3.0 on a Windows Server 2003 R2-based computer that is running ADFS and Microsoft Windows SharePoint Services 3.0

</steve>