Finding information on the Microsoft website is not always easy, but there is some good stuff buried deep there. Like the Windows Server 2003 TechCenter, with topics including:
For anyone looking at developing a set of operational procedures, the Active Directory product operations guide is worth a look. Drill down through this, and it goes right down to the level of commands/clicks in the detailed procedures (e.g. back up system state and the system disk). Other product operations guides are linked from the Microsoft management and operations page for both core products (AD, DHCP, DNS, file, print, WINS) and server application products (Exchange Server, MOM, SMS, SQL Server).