Build the business case
Judge where agents help, weigh build against buy, and model the ROI and total cost of an AI solution.






























AB-100 is an Expert exam for architects who design AI-driven business solutions across Dynamics 365, Power Platform and Foundry. It tests design more than coding: ROI, multi-agent design, agent lifecycle, security and responsible AI. You must also hold one of 13 listed Associate certifications, and the exam is updated on 16 November 2026.
Judge where agents help, weigh build against buy, and model the ROI and total cost of an AI solution.
Design task, autonomous and prompt-and-response agents across Copilot Studio, Dynamics 365 and Microsoft 365 Copilot.
Connect agents to tools through MCP, design on custom Foundry models, and orchestrate the prebuilt agents already in the apps.
Monitor and test agents, plan their lifecycle, and design the security, audit and responsible-AI controls around them.
We design this course ourselves. Microsoft runs the exam and issues the credential, and LUNARTECH is independent of Microsoft.
Not every process needs an agent. You assess candidate use cases for value, risk and fit, and learn to tell where an agent, a flow, a prompt or plain automation is the right tool.
You build A use-case assessment that sorts one department’s processes by fit.
Agents are only as good as the data they ground on. You gather requirements, audit the data an agent would use for quality, access and freshness, and decide what must be fixed before any agent is built.
You build A data readiness report for one solution, with the gaps and the fixes.
Strategy sets which problems to solve with AI and how. You compare prebuilt agents, configuration, low-code builds and custom Foundry work, and write down why each choice fits the organization’s skills and constraints.
You build A build, buy or extend decision record for three candidate solutions.
A solution needs numbers that survive scrutiny. You model benefits and total cost, including licensing, consumption, model usage and support, and see how choices such as a model router change the cost curve.
You build An ROI and total cost model for one agent, with its assumptions stated.
Task agents, autonomous agents and prompt-and-response agents differ in who starts them and who is accountable. You learn the shape of each and match it to the job, the data and the risk.
You build A catalog that assigns an agent type to each use case, with reasons.
Many agents live where people already work. You design agents in Copilot Studio and extend Microsoft 365 Copilot, choosing knowledge, actions, channels and identity so the agent fits the user’s day.
You build A design specification for an agent in Copilot Studio, from persona to actions.
Dynamics 365 applications ship with agents already built. You learn to assess what they do, configure them, and decide when to extend or replace them, so you do not rebuild what the platform already provides.
You build A configuration plan for the prebuilt agents in one Dynamics 365 solution.
Real processes cross products. You design several agents that hand work to one another across Dynamics 365, Copilot Studio, Microsoft 365 and Foundry, and decide who orchestrates, who owns state and where people approve.
You build A multi-agent design for one end-to-end process, with its handoffs and approvals.
When built-in options fall short, you extend. You connect agents to systems through MCP, decide when a custom Foundry model is justified, and weigh the trade-offs in quality, cost and upkeep.
You build An extension design that connects an agent to a line-of-business system through MCP.
Agents need evidence of quality before and after release. You design test sets, acceptance criteria and monitoring, and tune agents using what the monitoring shows about accuracy, usage and cost.
You build A test and monitoring plan for an agent, with the measures its owner reviews.
Agents change, and changes need a path to production. You plan environments, solutions, versioning and retirement, so that updates are repeatable and an agent can be withdrawn cleanly.
You build A lifecycle plan covering environments, promotion steps and retirement for an agent.
Agents act with real access, so they need real controls. You design identity, data boundaries, audit trails and compliance measures for agents, and align them with the controls the organization already runs.
You build A security and audit design for an agent solution, mapped to the controls it relies on.
Responsible AI is a design input, not a review at the end. You assess harms, set transparency and oversight, and design the controls and user messaging that keep an agent fair, explainable and accountable.
You build A responsible AI assessment for one agent, with its controls and owners.
Pull the work into one architecture a sponsor could approve. You plan, design and govern a solution for a realistic scenario, and defend the business case, the design, the controls and the rollout.
You build An architecture proposal covering business case, agent design, deployment and governance.

Certifying body · Independent of LUNARTECH
Microsoft publishes its exam outlines and runs its certification program through Microsoft Learn. Exams are delivered through Pearson VUE, and Associate, Expert and Specialty credentials renew each year through a free, unproctored online assessment. LUNARTECH is independent of Microsoft.
Microsoft describes an architect who knows Dynamics 365, Power Platform, Copilot Studio and Foundry. You must also hold one of 13 listed Associate certifications.
Fourteen modules, designed by LUNARTECH, at your own pace.
Microsoft runs the exam and issues the credential, so you register and book directly with them.
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No single job owns it. Here’s where each role leans hardest, and where its work ends up.
A good agent design starts with the process. Pick where agents earn their cost first.
Plan, Design
Dynamics 365 projects, Microsoft partner firms, Enterprise IT
An ROI case decides which agents get built. Monitoring tells you if they paid off.
Plan, Deploy
Enterprise IT, Finance and supply chain
Copilot Studio topics need testing and lifecycle too. Plan both before the first release.
Design, Deploy
Dynamics 365 projects, Customer service
Agents need audit trails like any system of record. Design access and data residency early.
Deploy
Enterprise IT, Finance and supply chain
Agent designs on paper become agents you must build. The architecture shows where your part fits.
Design, Deploy
Dynamics 365 projects, Customer service
Dynamics, Power Platform and Foundry share one landscape. Design choices here set how they fit together.
Plan, Design
Enterprise IT, Finance and supply chain
ROI has to be argued before an agent gets built. Planning turns a process into a case for AI.
Plan
Customer service, Finance and supply chain
Responsible-AI controls need an owner on each project. The design stage is where those controls get written in.
Design, Deploy
Enterprise IT, Finance and supply chain
A good agent design starts with the process. Pick where agents earn their cost first.
Over 10,000 students trust LUNARTECH
Understand systems all the way down. Build the ones others rely on.
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Updated November 2026.
Need help? These answers cover most of what people ask before they start.
No. Microsoft issues it. LUNARTECH is independent of Microsoft, and its names and marks belong to it. When you finish a course of ours, you earn a LUNARTECH certificate of completion for that course.
No. We design this course ourselves, around what the exam covers. Microsoft has no part in it, and you still register and book the exam directly with Microsoft.
In English and 12 other languages. The passing score is 700 of 1000.
Exam updates due 16 November 2026.
Microsoft describes an architect who knows Dynamics 365, Power Platform, Copilot Studio and Foundry. You must also hold one of 13 listed Associate certifications.
1 year. Pass a free online assessment on Microsoft Learn.
Yes. The Expert credential also requires at least one of 13 Associate certifications, covering Dynamics 365, Power Platform and the new AI Associates, alongside AB-100.
We last reviewed it on 5 November 2026, from Microsoft’s own pages. Details change, so check the official page before you book.
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Show you can architect AI and agents into the business. Start with a free trial, or enroll in a plan and work through the course at your own pace. Microsoft runs the exam and issues the credential.
LUNARTECH is independent of the vendors and certifying bodies listed here. Their names, exam titles and marks belong to them, exams are run by them, and credentials are issued by them. Reviewed 5 November 2026. Catalogues change often, so confirm the details on the official page before you book.