Windows Active Directory (AD) - Inside Out 11 Part Series
Like the Group Policy series links I just posted, there are some core concepts with Active Directory that are timeless as well. We are updating the content to include changes to AD since the release of Windows Server 2008. Until then, here are some links to the eleven part series we did a while back.
TechNet Webcast: Active Directory Inside Out (Part 04 of 11)—Installing and Managing DNS—Level 200
TechNet Webcast: Active Directory Inside Out (Part 09 of 11)—Administration Features—Level 200