1 These exams retired in March 2008.
2 This exam will retire in March 2009.
3 Exam 70-227 and Exam 70-350 satisfy both the MCSA elective requirement and an MCSA: Security specialization requirement.
4 Exam 70-620 can count one time toward a core client exam or an elective exam, but not toward both. Exam 70-284 satisfies both the MCSA elective requirement and an MCSA: Messaging specialization requirement.

http://www.microsoft.com/learning/mcp/mcsa/windows2003/default.mspx

MCSA: Messaging
Core Exams: 70-2902, 70-2912
Core Exams (Client operating system – one exam required): 70-270 or 70-620 or 70-2101, 3
Core messaging: 70-284
1 This exam retired in March 2008.
2 Candidates who hold an MCSA or an MCSE on Microsoft Windows 2000 Server credential could take Exam 70-292 in place of Exams 70-290 and 70-291. Exam 70-292 retired in March 2008.
3 Candidates who passed Microsoft Windows NT 4.0 Exams 70-067, 70-068, and 70-073 had the option of taking the comprehensive Exam 70-240: Microsoft Windows 2000 Accelerated Exam for MCPs Certified on Microsoft Windows NT 4.0. By passing this exam, candidates met the following exam requirements: Exam 70-210, 70-215, 70-216, and 70-217. Exam 70-240 is no longer available.

http://www.microsoft.com/learning/mcp/mcsa/messaging/windowsserver2003.mspx

MCSA: Security
Core Exams: 70-2902, 70-2912
Core Exams (Client operating system – one exam required): 70-270 or 70-620 or 70-2101, 3
Core security (Two exams required): 70-299, 70-2271, 70-350, 70-351, CompTIA Security+
1 This exam retired in March 2008.
2 Candidates who hold an MCSA or an MCSE on Microsoft Windows 2000 Server credential could take Exam 70-292 in place of Exams 70-290 and 70-291. Exam 70-292 retired in March 2008.
3 Candidates who passed Microsoft Windows NT 4.0 Exams 70-067, 70-068, and 70-073 had the option of taking the comprehensive Exam 70-240: Microsoft Windows 2000 Accelerated Exam for MCPs Certified on Microsoft Windows NT 4.0. By passing this exam, candidates met the following exam requirements: Exam 70-210, 70-215, 70-216, and 70-217. Exam 70-240 is no longer available.

http://www.microsoft.com/learning/mcp/mcsa/security/windowsserver2003.mspx

MCSE
Core exams (Networking System – 4 exams required): 70-290, 70-291, 70-293, 70-294
Core exams (Client operating system – one exam required): 70-6205 or 70-270 or 70-2101, 2
Core exams (Design – one exam required): 70-2973 or 70-2983
Elective exams (one exam required): 70-0861, 70-0894, 70-2271, 3, 70-2283, 6, 70-2296, 70-235, 70-236, 70-262, 70-281, 70-282, 70-2843, 70-285, 70-2973, 70-2983, 70-299, 70-3016, 70-3503, 70-351, 70-400, 70-401, 70-431, 70-445, 70-500, 70-557, 70-6205, 70-624, 70-630, 70-631, 70-638
As an alternative to the electives that are listed in the elective exams table, these Microsoft certifications may be substituted for an MCSE elective: MCSA on Microsoft Windows 2000, MCSE on Microsoft Windows 2000, MCSE on Microsoft Windows NT 4.0
As an alternative to the electives that are listed in the elective exams table, these third-party certifications may be substituted for an MCSE elective: CompTIA Security+, Unisys UN0-101
Upgrade exams for an MCSE on Windows 2000 (two exams required): 70-292, 70-296
1 This exam retired in March 2008.
2 Candidates who passed Microsoft Windows NT 4.0 Exams 70-067, 70-068, and 70-073 had the option of taking the comprehensive Exam 70-240: Microsoft Windows 2000 Accelerated Exam for MCPs Certified on Microsoft Windows NT 4.0. By passing this exam, candidates met the following exam requirements: Exam 70-210, 70-215, 70-216, and 70-217. Exam 70-240 is no longer available.
3 Exam 70-297 and Exam 70-298 can each count one time toward a core design exam or an elective exam, but not both.
4 Exams 70-089, 70-227, 70-228, 70-284, and 70-350 can count toward both the MCSA and MCSE elective exam requirements.
5 Exam 70-620 can count one time toward a core client exam or an elective exam, but not both.
6 This exam will retire in March 2009.

http://www.microsoft.com/learning/mcp/mcse/windows2003/default.mspx

MCSE: Messaging
Core exams (Networking System – 4 exams required): 70-2901, 70-2911, 70-2931, 70-2941
Core exams (Client operating system – one exam required): 70-620 or 70-270 or 70-2102, 3
Core exams (Design – one exam required): 70-2975 or 70-2985
Messaging specialization: 70-2844, 70-2854
1 Candidates who hold an MCSA or an MCSE on Microsoft Windows 2000 Server credential can take Exam 70-292 in place of Exams 70-290 and 70-291. In addition, candidates who hold an MCSE on Microsoft Windows 2000 Server credential can take Exam 70-296 in place of Exams 70-293 and 70-294. Exams 70-292 and 70-296 retire in March 2008.
2 This exam retired in March 2008.
3 Candidates who passed Microsoft Windows NT 4.0 Exams 70-067, 70-068, and 70-073 had the option of taking the comprehensive Exam 70-240: Microsoft Windows 2000 Accelerated Exam for MCPs Certified on Microsoft Windows NT 4.0. By passing this exam, candidates met the following exam requirements: Exam 70-210, 70-215, 70-216, and 70-217. Exam 70-240 is no longer available.
4 Exams 70-236, 70-237, and 70-238 on Microsoft Exchange Server 2007 cannot be used as credit toward this messaging credential.
5 Candidates can also take Exam 70-219, Exam 70-220, Exam 70-221, or Exam 70-226 to satisfy the Design exam requirement.

http://www.microsoft.com/learning/mcp/mcse/messaging/windowsserver2003.mspx

MCSE: Security
Core exams (Networking System – 4 exams required): 70-2901, 70-2911, 70-2931, 70-2941
Core exams (Client operating system – one exam required): 70-620 or 70-270 or 70-2102, 3
Security specialization (Core Design): 70-298
Security specialization (Core Security – 2 exams required): 70-299, 70-2272, 70-350, 70-351, CompTIA Security+
1 Candidates who hold an MCSA or an MCSE on Microsoft Windows 2000 Server credential can take Exam 70-292 in place of Exams 70-290 and 70-291. In addition, candidates who hold an MCSE on Microsoft Windows 2000 Server credential can take Exam 70-296 in place of Exams 70-293 and 70-294. Exams 70-292 and 70-296 retire in March 2008.
2 This exam retired in March 2008.
3 Candidates who passed Microsoft Windows NT 4.0 Exams 70-067, 70-068, and 70-073 had the option of taking the comprehensive Exam 70-240: Microsoft Windows 2000 Accelerated Exam for MCPs Certified on Microsoft Windows NT 4.0. By passing this exam, candidates met the following exam requirements: Exam 70-210, 70-215, 70-216, and 70-217. Exam 70-240 is no longer available.