Just an FYI that the following whitepaper is now available on
the Microsoft Download Center

 Flexible
Authentication in Microsoft Dynamics AX 2012

 Flexible authentication enables businesses and organizations
to authenticate users of Enterprise Portal for Microsoft Dynamics AX without
having to store user accounts in Active Directory Domain Services. This paper
describes how to set up and configure a claims-aware Enterprise Portal site to
authenticate users by using one of the following providers: forms-based
authentication or Active Directory Federation Services.

Thanks for the notice JIm

 

Enjoy