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Certification exams to become a Microsoft Certified IT Specialist or Microsoft Certified IT Professional are available through Prometric.
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Yes. If you do not pass an exam the first time you take it, you may retake it at any time. If you do not achieve a passing score on the second attempt, you must wait at least 14 days to retake the exam a third time. A 14-day waiting period is required for all subsequent exam retakes. After you pass an exam, you may not take it again.
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All Microsoft Certified Technology Specialist (MCTS), Microsoft Certified IT Professional (MCITP), and Microsoft Certified Professional Developer (MCPD) certifications retire when Microsoft discontinues mainstream support for the related technology. After a credential retires, it still appears on your transcript but is listed as "inactive." In most cases, an upgrade path is available for people who have that credential, which allows them to demonstrate their skills on the newest version of the technology without completing all exams associated with the new credential. The following credentials will not be retired: Microsoft Certified Systems Engineer (MCSE), Microsoft Certified Systems Administrator (MCSA), Microsoft Certified Desktop Support Technician (MCDST), Microsoft Certified Database Administrator (MCDBA), Microsoft Certified Solution Developer (MCSD), and Microsoft Certified Applications Developer (MCAD).