Core Exams: Client Operating System (1 Exam Required):
70-210	Installing, Configuring, and Administering Windows 2000 Professional (retires 3/31/08)
70-270	Installing, Configuring, and Administering Windows XP Professional
Core Exams: Networking System (2 Exams Required):
70-215	Installing, Configuring, and Administering Windows 2000 Server (retires 3/31/08)
70-218	Managing a Windows 2000 Network Environment (retires 3/31/08)
Core Messaging Specialization (1 Exam Required):
70-224	Installing, Configuring, and Administering Exchange 2000 Server (retires 3/31/08)
70-284	Implementing and Managing Exchange Server 2003