I recently suffered an Active Directory meltdown than made me look to the sky and curse the Gods of Redmond!
I had many good resources to refer to, but I’m sure this page full of linky goodness would’ve helped further: http://blogs.technet.com/b/askds/archive/2010/07/27/post-graduate-ad-studies.aspx
Well worth reading if you want a thorough understanding of the underlying components in Active directory.
