Laura Robinson, MCSE, MCT, CLP (Mechanicsburg, PA) is a consultant and trainer who specializes in Active Directory design and has been involved in architecting AD implementations ranging from 600 to 60,000 users for companies supporting millions of customers. Laura is a contributing author on the Microsoft Press book, Windows 2000 TCP/IP Protocols and Services Technical Reference. She has been working with Windows 2000 since Beta 1and teaching since Beta 2, and has continued her involvement in Microsoft's operating system technologies through her work with .Net/Windows 2003 servers.