Current outline
Until November 15, 2026
1Plan AI-powered business solutions
25–30%
2Design AI-powered business solutions
25–30%
3Deploy AI-powered business solutions
40–45%
Exam guide · AB-100
Microsoft Agentic AI Business Solutions Architect Expert exam guide
Microsoft doesn’t give an exact number of questions for AB-100: most of its exams have 40 to 60 questions. You get 100 or 120 minutes. You need 700 out of 1000 to pass. It costs $165 (in the United States; set by country). Microsoft hasn’t announced a retirement date.
Last updated
The exam at a glance
Microsoft Agentic AI Business Solutions Architect Expert (AB-100)
- Time
- 100 or 120 min
- 120 if the exam has labs: Microsoft doesn’t list which do, and shows the time when you register
- Microsoft on exam length
- Prerequisites
- None
- Level
- Advanced
- Role
- Solution Architect
- Renewal
- Yearly, free
- Exam code
- AB-100
From Microsoft’s own pages, checked every week (last on November 7, 2026). The cost is checked every week too. How we check our facts
Versions and dates
What’s changing, and when
Microsoft hasn’t announced a retirement date for AB-100. We check Microsoft’s site every week, and this page changes the day it does.
Exam domains
What the exam covers
Each domain’s share of the exam, as Microsoft publishes it, for each version you can take. Study for the one in force on your exam date.
New outline
From November 16, 2026
1Plan AI-powered business solutions
35–40%
2Design AI-powered business solutions
30–35%
3Deploy AI-powered business solutions
20–25%
Prepare
Start on AB-100 today
Free tools to find your weak domains and plan your weeks, then full practice exams in OpenpassAI.
Free practice test
10 AB-100 questions
Original questions across the exam’s domains, each with an explanation, and your score by domain.
Take the testFree study plan
A week-by-week plan
Pick your exam date and weekly hours, and get a plan weighted like the domains above.
Make my planMicrosoft certifications
Where Agentic AI Business Solutions Architect fits
Every Microsoft certification on one map, with each exam’s facts checked weekly.
See the Microsoft page
Take it further in OpenpassAI
Full AB-100 practice exams
Timed exams weighted like the real one, an AI tutor that explains every answer, and a readiness score for each domain.
FAQs
Got Questions? We’ve Got Answers.
Find quick answers or contact our support team.
How many questions are on the Microsoft Agentic AI Business Solutions Architect Expert exam?
Microsoft doesn’t give an exact number for AB-100: most of its exams have 40 to 60 questions. You get 100 or 120 minutes.
What is the passing score for Microsoft Agentic AI Business Solutions Architect Expert?
You need 700 out of 1000: the same for every Microsoft technical exam.
How much does the Microsoft Agentic AI Business Solutions Architect Expert exam cost?
$165 (in the United States; set by country). Check Microsoft’s site for the price in your country.
When does AB-100 retire?
Microsoft hasn’t announced one yet. We check Microsoft’s site every week, and this page changes the day it does.
What experience do I need for Microsoft Agentic AI Business Solutions Architect Expert?
None: Microsoft sets no prerequisites for AB-100. Knowing the exam’s domains well is what counts.
How should I study for Microsoft Agentic AI Business Solutions Architect Expert?
Weight your time like the exam: Deploy AI-powered business solutions carries the most (40–45%). Take the free practice test to find your weakest domains, make a study plan around them, and before you book, sit full-length timed practice exams until you pass them comfortably.
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