Azman Resources
A two part series from a MS Security MVP on http://www.windowssecurity.com
The Microsoft AzMan Development Team Blog Site is http://blogs.msdn.com/azman/ . This has lots of resources behind it!
Microsoft's Enterprise Library Security Block has support for Azman. Look here to explore more: http://msdn2.microsoft.com/en-us/library/ms998385.aspx. There are some web casts behind this link. Have a look.
LDAP/ADAM
About Microsoft's ADAM (Active Directory Application Mode) from 15Seconds
The new names of Microsoft’s Identity and Access (IDA) solutions - this is good article that covers all of MS's LDAP related products and their new names as of Windows Server 2008 release