How To Retake Azure Fundamentals Exam

Failing an exam is not the end of your cloud career. In fact, some of the best Solutions Architects I know failed their first attempt at the AZ-900.

The Microsoft Certified: Azure Fundamentals (AZ-900) is deceptively tricky.

In this guide, I will walk you through exactly how to retake the exam. I will cover the official waiting periods, the costs (and how to potentially avoid them), and the strategic adjustments you need to make to ensure your second attempt is your final one.

Table of Contents

How to Retake Azure Fundamentals Exam

How to Retake Azure Fundamentals Exam

1. Understanding the “Cool-Down” Rules (Retake Policy)

Microsoft has strict rules to prevent candidates from “brute forcing” the exam by taking it over and over in a single day. You need to know these timelines before you try to book your next slot.

The 24-Hour Rule

If this was your first attempt, you cannot retake the exam immediately. Microsoft imposes a mandatory 24-hour waiting period.

Example: If you failed on Tuesday at 2:00 PM EST, the system will not let you sit for the exam again until Wednesday at 2:00 PM EST.

The 14-Day Rule (For Subsequent Attempts)

If you have failed a second time (or more), the rules get stricter. Between your second and third attempts (and all subsequent attempts up to the fifth), you must wait 14 days.

This two-week buffer is designed to force you to study. Trust me, do not try to bypass this. Use this time to revisit the Microsoft Learn modules.

The Annual Limit

You are capped at 5 attempts per year (12-month rolling period). If you fail five times, you are locked out of the AZ-900 for 12 months from the date of your first attempt.

Table: Microsoft AZ-900 Retake Wait Times

Attempt Number	Result	Waiting Period Before Next Try
Attempt #1	Fail	24 Hours
Attempt #2	Fail	14 Days
Attempt #3	Fail	14 Days
Attempt #4	Fail	14 Days
Attempt #5	Fail	12-Month Lockout

2. The Cost: Do You Have to Pay Again?

The short answer is: Yes.

Unlike some certifications that offer a “free second shot,” Microsoft generally treats every exam attempt as a new purchase. In the US market, the standard price for the AZ-900 is $99.

However, before you pull out your credit card, let’s look for discounts. I often save my US-based clients money by checking these three sources:

Enterprise Skills Initiative (ESI): If you work for a company that spends heavily on Azure, you might be eligible for free retakes. Log in to the ESI portal with your work email to check.
Student Discounts: If you have a valid .edu email address or an International Student Identity Card (ISIC), verify your student status in your Microsoft Certification profile. This can drop the price significantly (often to around $55).
Exam Replay: Occasionally, Microsoft sells “Exam Replay” bundles that include one retake. Note: You must have purchased this bundle before your first failure. If you bought a standard voucher, this does not apply.

3. How to Schedule Your Retake (Step-by-Step)

There is no “Retake” button in the portal. You schedule it exactly the same way you scheduled the first one.

Log in to your Microsoft Learn Dashboard.
Navigate to the Credentials tab (formerly Certifications).
Search for AZ-900.
Click “Schedule with Pearson VUE”.
Verify your profile information (Name, Address, Phone).
Important: The system should recognize your previous attempt. If you try to schedule within the restricted 24-hour window, it will throw an error. If the window has passed, you will proceed to the calendar view.

4. Analyze Your Score Report (Don’t Skip This!)

This is the most critical step. After your exam, you received a score report. Do not just look at the “Fail” status and close the tab.

That report contains a bar chart showing your performance in the three main domains:

Describe Cloud Concepts
Describe Azure Architecture and Services
Describe Azure Management and Governance

How to Read It

If your bar for “Cloud Concepts” is short, you are struggling with the theory (IaaS vs. PaaS, CapEx vs. OpEx). This is foundational; if you miss these, you will miss the harder questions too.
If your bar for “Architecture” is short, you likely mixed up specific services (e.g., confusing Azure Databricks with Azure Synapse).

Action Item: Print your score report. Highlight the weakest section. Spend 70% of your study time on that specific domain.

5. Proven Study Strategies for Round 2

You have already studied, so you don’t need to start from scratch. You need to patch the holes. Here is the strategy I use with my consulting clients:

Focus on “Tricky” Vocabulary

In the US exams, Microsoft loves nuances.

Know the difference between Network Security Groups (NSGs) and Azure Firewall.
Understand the distinction between Availability Sets, Availability Zones, and Region Pairs.
Be clear on Azure Policy vs. Blueprints.

Use Practice Tests (The Right Way)

Do not just memorize answers. If you are using practice tests (like MeasureUp or TutorialsDojo), read the explanation for why the wrong answers are wrong.

Why isn’t this an IoT Hub?
Why would I use Blob Storage instead of File Storage here?

Hands-On “Clicking”

If you failed because you couldn’t visualize the portal, create a free Azure account. Go in and actually click “Create a Virtual Machine.” You don’t even have to deploy it—just walking through the wizard helps solidify the concepts of Resource Groups, Regions, and Sizes.

6. Checklist: Are You Ready?

Before you pay that $99 again, ask yourself these three questions:

Can I explain the Shared Responsibility Model to a 5-year-old? (e.g., Who patches the OS in PaaS?)
Do I know which support plan includes 24/7 access to engineers? (Hint: It’s not Developer).
Can I list three differences between Azure AD (Entra ID) and Active Directory Domain Services?

If you hesitated, take another day to study.

FAQ: Retaking the AZ-900

Q: If I fail, does the “Fail” show up on my transcripts or LinkedIn?

A: No. Microsoft transcripts only show your active certifications and passed exams. Your employer cannot see your failed attempts unless you explicitly show them your score report.

Q: Is the retake exam easier?

A: No. It is drawn from the same pool of questions. You might even see 1 or 2 questions repeated, but generally, it will be a completely new set of questions with the same difficulty level.

Q: Can I take the exam online if I took it at a center the first time?

A: Yes. You can switch delivery methods (Online Proctored via OnVUE vs. Test Center) for your retake. Many of my clients prefer taking the retake at home, where they are more comfortable.

Conclusion

Failing the AZ-900 is a speed bump, not a roadblock. The cloud industry in the US is booming, and employers respect resilience. The fact that you are looking up how to retake the exam shows you have the grit required for this field.

You got this.

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Rajkishore

I am Rajkishore, and I am a Microsoft Certified IT Consultant. I have over 14 years of experience in Microsoft Azure and AWS, with good experience in Azure Functions, Storage, Virtual Machines, Logic Apps, PowerShell Commands, CLI Commands, Machine Learning, AI, Azure Cognitive Services, DevOps, etc. Not only that, I do have good real-time experience in designing and developing cloud-native data integrations on Azure or AWS, etc. I hope you will learn from these practical Azure tutorials. Read more.