Just an FYI that the following whitepaper is now available onthe Microsoft Download Center
FlexibleAuthentication in Microsoft Dynamics AX 2012
Flexible authentication enables businesses and organizationsto authenticate users of Enterprise Portal for Microsoft Dynamics AX withouthaving to store user accounts in Active Directory Domain Services. This paperdescribes how to set up and configure a claims-aware Enterprise Portal site toauthenticate users by using one of the following providers: forms-basedauthentication or Active Directory Federation Services.
Thanks for the notice JIm