AZ-900 vs AZ-104: Which Azure Certification Should You Take First?

By Macdara Ó Murchú · Founder, AzurePrep·Last reviewed ·11 min read·2,344 words

The decision between AZ-900 and AZ-104 shapes your entire Azure certification journey. Both certifications are valuable, but they serve different purposes and audiences. This guide cuts through the confusion with concrete comparisons and clear recommendations based on your experience level.

The Quick Answer

If you're brand new to cloud computing and Azure: Take AZ-900 first. It builds foundational knowledge you'll reference constantly during AZ-104 prep.

If you already work in IT administration, have cloud experience, or manage Azure infrastructure: Skip AZ-900 and go straight to AZ-104. Your time is better spent on relevant technical skills.

The distinction matters because AZ-900 and AZ-104 target completely different skill levels. Choosing wrong wastes weeks of preparation time.

$99 / $165Exam costAZ-900 vs AZ-104
85% / 70%Pass rateAZ-900 vs AZ-104 (typical)
2-4 / 8-12Study weeksAZ-900 vs AZ-104

Side-by-Side Comparison: AZ-900 vs AZ-104

Factor AZ-900 AZ-104
Difficulty Level Beginner / Foundation Intermediate / Administrator
Exam Cost $99 USD $165 USD
Recommended Prep Time 2-4 weeks 6-12 weeks
Hands-On Labs Required None Essential
Pass Rate (Industry Average) 70-75% 55-65%
Prerequisites None None (but Azure experience helps)
Salary Impact Minimal standalone Significant (5-15% increase)
Job Market Demand Low (too general) High (directly applicable)
Cloud Concepts Covered Yes, surface-level Yes, in-depth application
Time Between Certifications 3-4 months typical N/A

Understanding AZ-900: Azure Fundamentals

AZ-900 is Microsoft's entry-level certification covering foundational cloud concepts and Azure basics. It's designed for people with zero cloud background.

What AZ-900 Actually Tests

The exam focuses on four main domains:

Cloud Concepts (20-25% of exam)
- Shared responsibility models
- Cloud service types (IaaS, PaaS, SaaS)
- Cloud deployment models (public, private, hybrid)
- Benefits of cloud computing (scalability, reliability, global presence)

Azure Architecture and Services (30-35% of exam)
- Core Azure services (compute, networking, storage, databases)
- Azure App Service, Azure Virtual Machines, Azure Container Instances
- Azure networking options (VNets, Load Balancer, Application Gateway)
- Storage solutions (Blob Storage, File Shares, Disk Storage)

Azure Management and Governance (30-35% of exam)
- Azure Resource Manager and resource groups
- Subscriptions and management groups
- Azure Policy and role-based access control (RBAC)
- Cost management tools
- Service Health and Azure Monitor basics

General Security and Compliance (10-15% of exam)
- Defense-in-depth strategies
- Azure Security Center overview
- Compliance frameworks (GDPR, HIPAA, SOC 2)
- Azure Key Vault and encryption basics

AZ-900 Preparation Details

Time Required: 2-4 weeks for complete beginners

You can compress this into 10 days if you work full-time on it. Conversely, studying part-time over 6 weeks is reasonable for someone juggling work and family.

Study Approach:
- Watch Microsoft Learn modules (free, official)
- Review practice questions on azureprep.com
- Complete Azure fundamentals learning paths
- Skip hands-on labs (not required for AZ-900)

Why People Underestimate This Exam:
Despite being "fundamentals," AZ-900 surprises many test-takers with specificity. It's not enough to know "Azure has storage services." You need to understand when to use Blob Storage versus Azure Files versus Managed Disks. The exam tests comprehension, not just vocabulary.

Pass Rate Reality: Most people with disciplined preparation pass on the first attempt. The 70-75% industry pass rate reflects people who cram 3 days before testing.

The AZ-900 Value Proposition

AZ-900 provides legitimate value in specific situations:

However, AZ-900 holds minimal weight in hiring decisions for technical roles. Technical hiring managers want to see AZ-104 or higher certifications that prove practical skills.

AZ-900 Path
AZ-900Azure FundamentalsFUND
AZ-104Administrator AssociateASSOC
AZ-305Solutions ArchitectEXPERT
AZ-104 Path
AZ-104Azure AdministratorASSOC
AZ-500Security EngineerASSOC
AZ-305Architect ExpertEXPERT

Understanding AZ-104: Azure Administrator

AZ-104 certifies practical Azure administration skills. This is where the career trajectory changes. AZ-104 directly impacts hiring prospects, salary negotiations, and job responsibilities.

What AZ-104 Actually Tests

The exam focuses on five domains:

Manage Azure Identities and Governance (15-20% of exam)
- Azure AD user and group management
- Azure AD Connect for hybrid scenarios
- Conditional Access policies
- Role-based access control implementation
- Resource tagging and subscriptions management

Implement and Manage Storage (15-20% of exam)
- Azure Storage accounts and tiers (hot, cool, archive)
- Blob Storage, Azure Files, Table Storage, Queue Storage
- Storage replication and redundancy (LRS, GRS, GZRS)
- Shared Access Signatures and access keys
- Storage networking and firewalls

Deploy and Manage Compute Resources (20-25% of exam)
- Virtual Machines creation and configuration
- VM sizing and disk management
- Virtual Machine Scale Sets
- Azure App Service and Web Apps
- Azure Container Instances and Docker
- Backup and disaster recovery

Configure and Manage Virtual Networking (20-25% of exam)
- Virtual Networks and subnets
- Public and private IP addresses
- Network Security Groups and routing
- Load Balancing (standard and basic)
- VPN and ExpressRoute connections
- DNS and application gateways

Monitor and Maintain Azure Resources (10-15% of exam)
- Azure Monitor and Log Analytics
- Alerts and action groups
- Application Insights configuration
- Backup and recovery procedures
- Update Management

AZ-104 Preparation Details

Time Required: 6-12 weeks for people with Azure exposure

This timeline assumes you're working full-time while studying. With dedicated study time, 4 weeks is achievable if you have infrastructure background.

Study Approach:
- Complete Microsoft Learn Administrator learning path (free, official)
- Practice hands-on labs in Azure portal (Microsoft Learn labs are free)
- Use azureprep.com practice tests repeatedly (aim for 80%+ scores)
- Deploy actual resources in Azure (free tier or low-cost subscriptions)
- Study real-world scenarios and architecture decisions

Why Hands-On Labs Are Critical:
Unlike AZ-900, you cannot pass AZ-104 on theory alone. The exam expects you to understand how services interact. Creating VMs, configuring NSGs, setting up storage accounts, and implementing backups solidifies this knowledge in ways videos and flashcards cannot.

Pass Rate Reality: The 55-65% pass rate reflects the exam's practical difficulty. People who watch videos but skip hands-on labs typically fail. Those who deploy actual resources and practice troubleshooting pass consistently.

The AZ-104 Career Impact

Passing AZ-104 creates measurable career benefits:

Who Should Start with AZ-900

Take AZ-900 first if you fit any of these profiles:

Completely New to Cloud Computing
You've never worked with AWS, Google Cloud, or Azure. You don't understand concepts like availability zones, managed services, or scaling. AZ-900 builds this vocabulary and mental model before tackling Azure specifics.

Non-Technical Background Entering Cloud Field
You're transitioning from sales, finance, operations, or other non-technical roles into cloud-adjacent positions. AZ-900 establishes credibility and provides context for more technical discussions.

Business Roles (Managers, Architects, Product Owners)
You need cloud literacy without deep technical implementation knowledge. AZ-900 covers what you need to understand business impact, cost analysis, and technology decisions.

Company Mandates AZ-900 First
Some organizations require junior team members to complete AZ-900 before tackling AZ-104. This policy ensures consistent foundational knowledge across teams.

Learning Preference: Gradual Progression
You learn best through gradual advancement. Jumping straight to AZ-104 feels overwhelming. Starting with AZ-900 builds confidence and creates momentum.

Who Should Skip AZ-900 and Go Straight to AZ-104

You can skip AZ-900 entirely if you meet these criteria:

Experienced Infrastructure Administrator
You manage on-premises servers, networks, storage, and security daily. The concepts translate directly to Azure. AZ-900 feels tediously basic. Your time is better spent learning Azure-specific implementations.

AWS or Google Cloud Certified
You understand cloud architecture, service models, and deployment options. You only need to learn Azure's approach and naming conventions. AZ-900 covers material you already know.

Professional with Cloud Experience
You've deployed resources in Azure as part of your job. You understand subscriptions, resource groups, VMs, and networking. You need to formalize this knowledge through AZ-104, not start from scratch with AZ-900.

Strong IT Foundation (Network+, Security+, MCSA)
CompTIA or Microsoft certifications prove foundational understanding. You're ready for AZ-104 technical depth immediately.

Significant Self-Study in Azure
You've completed Microsoft Learn modules on Azure services, deployed labs, and studied architecture. You don't need AZ-900 review. Move directly to AZ-104 to earn recognition for your skills.

The key factor: if you already understand cloud concepts, skip AZ-900 and invest those weeks into AZ-104 mastery.

The Typical Azure Certification Path

Most Azure professionals follow this progression:

Stage 1: AZ-900 (Optional - Skip if Experienced)
Foundation level. 2-4 weeks prep. Covers cloud concepts and Azure basics.

Stage 2: AZ-104 (Administrator)
Intermediate level. 6-12 weeks prep. Covers hands-on administration and practical skills. This is where careers accelerate.

Stage 3: AZ-305 (Solutions Architect)
Advanced level. 10-16 weeks prep. Requires AZ-104 knowledge. Covers architecture, design, and large-scale implementation decisions.

This three-tier structure makes sense because each builds on previous knowledge. However, the pathway isn't mandatory. Some people focus on specialty paths:

Security Path: AZ-104 > AZ-500 (Security Engineer)

Developer Path: AZ-204 (Developer Associate) skips administrator concepts

Data Path: AZ-104 > AZ-305 > DP-203 (Azure Data Engineer, Associate)

The most common path for career advancement remains: AZ-104 > AZ-305 > DP-203.

Can You Actually Skip AZ-900? The Reality

Yes, absolutely. Many experienced administrators skip AZ-900 and go directly to AZ-104 without difficulty. Here's what happens:

What You Miss (If You Skip):
- Structured review of cloud service model definitions
- Formal overview of Azure's global infrastructure
- Compliance and governance frameworks overview

Why This Doesn't Matter for Experienced Admins:
You learn these concepts through practical use. When you're configuring VNets and NSGs in AZ-104 labs, you understand the infrastructure. When you're implementing RBAC, you grasp governance. You pick up what AZ-900 teaches through context in AZ-104.

The Catch:
Some specific AZ-104 exam questions reference concepts emphasized in AZ-900 (like shared responsibility models or cloud deployment types). However, these questions comprise only 5-10% of the exam. Your hands-on experience compensates.

The Honest Assessment:
Skipping AZ-900 saves 2-4 weeks but requires either substantial existing Azure experience or willingness to pick up foundational concepts during AZ-104 prep. It's not impossible, but it's harder. The decision depends on your current knowledge depth.

How Quickly Can You Complete Both Certifications?

Realistic timeline for completing both AZ-900 vs AZ-104 certifications:

Fastest Path (Full-Time Intensive):
- Weeks 1-2: AZ-900 intensive prep and exam
- Weeks 3-8: AZ-104 intensive prep and exam
- Total: 8 weeks

This works if you work full-time on certification preparation and have Azure or infrastructure background.

Typical Path (Part-Time Study):
- Weeks 1-4: AZ-900 prep (1-2 hours daily)
- Week 5: AZ-900 exam
- Weeks 6-17: AZ-104 prep (2-3 hours daily + weekend labs)
- Week 18: AZ-104 exam
- Total: 4.5 months

Realistic Path (Balancing Work and Study):
- Weeks 1-6: AZ-900 prep (1 hour daily)
- Week 7: AZ-900 exam
- Weeks 8-24: AZ-104 prep (1.5-2 hours daily + 4-6 weekend lab hours)
- Week 25: AZ-104 exam
- Total: 6 months

Most people who complete both certifications do so within 4-6 months. The limiting factor isn't the content but available study time.

Preparation Resources: AZ-900 vs AZ-104 on AzurePrep

azureprep.com provides free practice tests for both AZ-900 and AZ-104, which are essential tools for exam success.

For AZ-900 Preparation:
- Free practice exams with realistic question formats
- Explanations for correct and incorrect answers
- Coverage of all four exam domains
- Instant scoring and progress tracking
- Ability to retake exams to identify weak areas

For AZ-104 Preparation:
- Free practice tests covering all five exam domains
- Real-world scenario questions mirroring actual exam content
- Detailed explanations for complex concepts
- Progress tracking across domain areas
- Performance analytics showing readiness

Using practice tests effectively means:

  1. Start early: Take practice tests before you feel ready. See baseline knowledge.
  2. Review thoroughly: Don't just check answers. Understand why options are correct or incorrect.
  3. Repeat weak areas: Retake exams focusing on domains where you scored below 75%.
  4. Simulate exam conditions: Take full-length practice tests in one sitting to build endurance.
  5. Stop using them: Once you consistently score 85%+ on AZ-104 practice tests, you're ready for the real exam.

Beyond azureprep.com, combine practice tests with:

Making Your Decision: The Framework

Use this framework to decide between AZ-900 vs AZ-104:

Choose AZ-900 First If:
- You cannot name three Azure services
- You've never worked with any cloud platform
- You need 2-4 weeks to build confidence
- Your employer requires AZ-900 first
- You transition from completely non-technical background

Choose AZ-104 Directly If:
- You work in IT infrastructure currently
- You've already used Azure in your job
- You hold CompTIA or Microsoft certifications
- You understand virtual networking and storage
- You've completed Azure learning paths already

When In Doubt:
Assess your comfort level with these questions:
- Can you explain what a virtual network is?
- Do you understand the difference between PaaS and IaaS?
- Have you configured storage or virtual machines?
- Are you familiar with subscriptions and resource groups?

If you answered "yes" to all four, start with AZ-104. Otherwise, consider AZ-900 first.

The Bottom Line on AZ-900 vs AZ-104

AZ-900 and AZ-104 serve different purposes. AZ-900 builds cloud literacy. AZ-104 launches careers in Azure administration.