You might find the following reference materials useful:
- Microsoft Corporation. Microsoft Windows 2000 Server Resource Kit. Redmond, Wash.: Microsoft Press, 2000.
- Microsoft Corporation. MCSE Training Kit—Microsoft Windows 2000 Active Directory Services. Redmond, Wash.: Microsoft Press, 2000.
- Stallings, William. Cryptography and Network Security. Upper Saddle River, N.J.: Prentice Hall, 1999.
- Windows 2000 white papers and case studies, available online at http://www.microsoft.com/windows2000/library/.