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Microsoft Dynamics 365 Business Central Developer (MB-820) training and exam prep - the job-role certification for developers who extend Business Central with AL.
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Microsoft Dynamics 365 Business Central Developer (MB-820) is Microsoft's job-role certification for developers who build and extend Dynamics 365 Business Central - Microsoft's ERP for small and medium businesses (formerly NAV/Navision). It proves you can develop with the AL programming language: create and work with AL objects (tables, pages, codeunits, reports), install, develop and deploy extensions, use development tools (Visual Studio Code, sandbox environments), and integrate Business Central with other services. This is a developer certification. Microsoft recommends development experience, including object-oriented programming and an understanding of ERP and business processes. MB-820 launched in January 2024 and has no prerequisites. The exam has about 40 to 60 questions and can include case studies. It is graded on a scaled score: you need 700 on a scale of 1 to 1000 to pass. Because scoring is weighted, 700 does not mean 70% of questions correct. The exam costs about US$165 (varies by region) and is delivered through Pearson VUE.
Dynamics 365 Business Central is Microsoft's ERP for small and medium businesses, with a strong global partner ecosystem that needs skilled AL developers. MB-820 proves you can build and extend Business Central with code, supports Business Central developer roles, and - as a newer certification - helps you stand out. As a technical job-role credential it carries real weight with employers and partners, and Microsoft's free annual renewal keeps it current at no ongoing cost.
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MB-820 has no prerequisites, but it is a developer-level certification and expects real programming experience. It is ideal for: - Business Central and NAV developers - .NET / AL developers building Business Central apps - Developers at Business Central partners and ISVs - Anyone extending Business Central with code Microsoft recommends development experience, including object-oriented programming and an understanding of ERP and business processes. This is NOT a beginner or functional course - if you configure (rather than code) Business Central or Dynamics 365, look at the functional certifications instead.
How to earn it:
1. Prepare with an MB-820 exam-prep course (self-paced, with AL coding labs) - that is what we provide.
2. Register through Microsoft Learn and schedule the exam through Pearson VUE - online with remote proctoring, or at a test centre.
3. Pass the exam: about 4...
The Microsoft Dynamics 365 Business Central Developer (MB-820) certification validates your ability to develop, customize, and extend solutions within Microsoft Dynamics 365 Business Central. The exam assesses your knowledge of AL programming, application development, data management, integrations, testing, debugging, and extending Business Central functionality to meet business requirements. Understanding the exam structure and certification requirements can help you plan your preparation effectively and build confidence before the assessment. This section explains the exam pattern, question format, duration, certification requirements, and other important details you should know before taking the Microsoft Dynamics 365 Business Central Developer (MB-820) exam.
Exam details verified on 12 August 2026. This is a developer certification - real programming (AL) experience is expected. It launched in January 2024 with no prerequisites. Microsoft uses a scaled score (700/1000 to pass), which is not the same as 70% correct. MB-820 is a role- based Associate certification: valid for one year and renewed free through a short online assessment on Microsoft Learn (not lifetime like the Fundamentals). Confirm current details at learn.microsoft.com (search "MB-820").
MB-820 is ideal for: - Business Central and NAV developers - .NET / AL developers building Business Central apps - Developers at Business Central partners and ISVs This is a code-heavy certification - Microsoft recommends development experience and object-oriented programming. There are no prerequisites, but if you configure rather than code, look at the functional certifications (such as MB-330) instead. The other Dynamics 365 developer certification is MB-500 (Finance & Operations).