Azure Solutions Architect Expert (AZ-305): Current Path, Exam Outline, and How to Prepare

It is a common misconception that Microsoft still offers an Azure Solutions Architect Associate certification path. The current credential for this role is Microsoft Certified: Azure Solutions Architect Expert, earned by passing AZ-305.

Last updated: June 2026. This article reflects the current AZ-305 certification route and the design-focused skills outline published by Microsoft Learn. Candidates should still check Microsoft Learn before booking, because Microsoft controls exam registration, language availability, exam delivery options, renewal rules, and any changes to the skills measured.

What the Azure Solutions Architect Expert credential represents

An Azure Solutions Architect designs cloud and hybrid solutions that meet business, security, reliability, performance, and cost requirements. The role sits between strategy and implementation: it requires enough technical depth to challenge assumptions, but the exam itself is centred on architecture decisions rather than step-by-step configuration.

That distinction matters because the certification path has changed. The older AZ-303 and AZ-304 exams were retired and are no longer the route to this credential. They placed more emphasis on implementation across Azure services, while AZ-305 is more focused on designing solutions, evaluating trade-offs, and selecting patterns that fit a scenario.

There are no formal prerequisites for AZ-305. Even so, Microsoft recommends subject matter expertise in designing Azure solutions across compute, networking, storage, monitoring, and security. In practice, candidates with AZ-104-level operational knowledge usually find the architecture questions easier to reason through, because they understand the consequences of design choices once a platform is running.

Who AZ-305 is really for

AZ-305 is aimed at experienced IT professionals who already understand cloud operations and want to move into solution architecture. Typical candidates include Azure administrators, cloud engineers, DevOps engineers, senior developers, infrastructure specialists, and technical leads who are expected to design Azure environments rather than only maintain them.

The exam can also help hiring managers interpret a candidate’s cloud architecture background. Passing AZ-305 does not prove that someone has led a complex migration or governed a production landing zone, but it does show familiarity with Microsoft’s architecture vocabulary and design expectations. Stronger candidates usually combine the credential with operational depth, security awareness, and the ability to explain why a pattern was chosen over a plausible alternative.

A common career mistake is treating AZ-305 as a purely theoretical design exam. The questions may be framed around architecture, but the reasoning often depends on operational details: how private endpoints affect networking, how Azure Policy changes governance, how backup and replication options differ, and how identity decisions influence administration at scale.

What AZ-305 covers

Microsoft Learn groups AZ-305 around design responsibilities rather than individual product memorisation. Candidates should expect to work through scenarios involving identity and governance, data storage, business continuity, infrastructure, and monitoring. The exam tests whether a proposed design meets stated requirements, constraints, and trade-offs.

Identity and governance questions often involve Microsoft Entra ID, role-based access control, management groups, subscriptions, Azure Policy, tagging, budgets, and monitoring. The architectural issue is rarely whether a service exists; it is how to apply guardrails without blocking delivery teams or creating unmanageable exceptions.

Data storage design requires an understanding of relational, non-relational, analytics, and object storage options. Candidates need to reason about performance, regional availability, consistency, access patterns, encryption, lifecycle management, and cost. A storage choice that works for a transactional application may be unsuitable for analytics or long-term retention, even if both are technically possible in Azure.

Business continuity and disaster recovery questions frequently expose gaps in preparation. Azure Site Recovery, backup, availability zones, geo-redundant storage, paired regions, and application-level replication all solve different problems. Architects need to connect the chosen pattern to recovery point objectives, recovery time objectives, regulatory constraints, and the cost of keeping a standby environment ready.

Infrastructure design brings networking, compute, containers, platform services, and hybrid connectivity into one decision space. For example, a hub-spoke network can provide clear segmentation and centralised inspection, while Azure Virtual WAN may be a better fit for large-scale branch connectivity. Similarly, AKS can be appropriate for teams with mature container operations, while App Service may reduce operational burden for web workloads that do not need full orchestrator control.

How Microsoft handles registration, exam details, and renewal

Microsoft Learn is the source of record for AZ-305 exam logistics. Candidates should use it to confirm the current exam registration process, delivery options, supported languages, accessibility accommodations, scoring information, exam policies, and any updates to the measured skills. These details can change, so they should not be copied from an old blog post or study guide.

The certification also requires maintenance. Microsoft’s certification renewal process is handled through Microsoft Learn, and certified professionals should follow the renewal instructions there before the credential expires. Renewal is worth treating as part of professional practice rather than an administrative afterthought, because Azure architecture guidance changes as platform services, governance models, and security expectations mature.

Anyone preparing for AZ-305 should read the official skills outline early and return to it near the end of study. It is easy to spend too much time configuring familiar services and too little time practising decision-making. The exam is more likely to reward an architect who can compare options against requirements than a candidate who has memorised portal screens.

A realistic preparation plan

The strongest preparation blends Microsoft Learn, hands-on Azure work, architecture case studies, and deliberate review against the Azure Well-Architected Framework and the Cloud Adoption Framework. These two Microsoft frameworks are especially useful because they force candidates to think in terms of reliability, security, operational excellence, performance efficiency, cost optimisation, governance, and landing zone design.

A practical way to prepare is to build a small Azure landing zone in a sandbox subscription. The environment does not need to be large, but it should include enough structure to expose real decisions: management groups, subscriptions or resource groups, role assignments, policy assignments, network segmentation, logging, budget controls, and at least one application workload. The value comes from documenting why each decision was made.

• Start with the AZ-305 skills outline and mark the areas where design judgement is required, not just product awareness.
• Build a small landing zone and record decisions around identity, governance, network topology, monitoring, cost controls, and access boundaries.
• Create one workload scenario with clear RPO, RTO, compliance, scaling, and budget constraints, then redesign it using alternative Azure services.
• Review the result against Azure Well-Architected Framework and Cloud Adoption Framework guidance, then revise the design.
• Use practice questions to test reasoning, but treat explanations as prompts for further lab work rather than as memorisation material.

This workflow helps avoid a recurring candidate gap: knowing what a service does but not when to choose it. For instance, candidates often understand VPN Gateway, ExpressRoute, and Virtual WAN individually, but struggle to select among them in a hybrid architecture. The same pattern appears with Azure Site Recovery versus storage redundancy, or with cost governance through budgets and tags versus enforcement through Azure Policy.

Structured training can help when it mirrors the design focus of the exam rather than turning preparation into product trivia. The AZ-305 Microsoft Azure Solutions Architect course is most relevant after a candidate understands what the exam covers and wants a guided route through the architecture scenarios. Professionals building broader Microsoft skills may also compare Microsoft training options or consider Unlimited Microsoft Training if they plan to work through multiple Azure certifications.

Architecture trade-offs that show up in real work

AZ-305 preparation is most useful when it reflects the conversations architects have in solution reviews. A design rarely fails because Azure lacks a service. It fails because identity boundaries are unclear, network routing becomes difficult to operate, cost ownership is weak, recovery targets are unrealistic, or monitoring is added after the workload is already live.

Users
  |
Microsoft Entra ID and access governance
  |
Azure landing zone
  |-- Hub network: firewall, private DNS, shared connectivity
  |-- Spoke workload A: App Service or AKS, private endpoints
  |-- Spoke workload B: virtual machines or platform services
  |-- Data tier: SQL, storage, backup, replication
  |-- Operations: Azure Monitor, logs, alerts, budgets, policy
  |-- Resilience: zones, backups, recovery design

Consider the choice between hub-spoke networking and Virtual WAN. Hub-spoke is often easier to understand and can suit environments with clear centralised inspection requirements. Virtual WAN may be more appropriate when global connectivity, many branches, or simplified large-scale routing are major concerns. The architect’s task is to match the pattern to operational reality, not to choose the newer or more complex service by default.

Application platform decisions require similar judgement. AKS offers flexibility for containerised workloads, but it also introduces responsibilities around cluster operations, networking, upgrades, security posture, and observability. App Service can be a better design for teams that need managed hosting with less operational overhead. The exam may present both as technically valid, then use team skill, compliance, scaling, or deployment requirements to point toward the stronger answer.

Business continuity choices also need precision. Zone redundancy can protect against datacentre-level failures in supported regions, geo-redundancy can protect data across regions, and Azure Site Recovery can help orchestrate failover for certain workloads. None of these options automatically satisfies every recovery objective. The architect has to align each mechanism with application dependencies, recovery testing, data loss tolerance, and budget.

Common preparation mistakes

One common mistake is starting with practice tests before understanding the official skills outline. Practice questions can reveal gaps, but they can also create false confidence when candidates memorise answer patterns. Better preparation starts with the outline, builds practical examples, and then uses questions to validate judgement.

Another mistake is ignoring governance and cost. Azure architects are expected to design environments that can be operated responsibly after deployment. Budgets, tags, policy, resource organisation, role assignments, diagnostic settings, and monitoring are not administrative extras; they are part of the architecture.

Candidates also underprepare for hybrid networking. VPN, ExpressRoute, private endpoints, DNS resolution, routing, and inspection paths can quickly change the suitability of a design. A candidate who can draw the traffic flow and explain failure points will usually reason more effectively than one who only recognises service names.

Where this certification fits next

The Azure Solutions Architect Expert credential is a useful marker for professionals moving from implementation into design authority. It works best when paired with practical Azure administration, networking, security, and operations experience. For hiring teams, the strongest signal is not the certificate alone but the candidate’s ability to defend design decisions under constraints.

The key takeaway is that AZ-305 preparation should look like architecture work. Candidates should build, document, compare, and revise designs until they can explain trade-offs clearly. Readynez can support that process through guided AZ-305 preparation, and readers with questions about the certification path can contact the team for a conversation about suitable next steps.

FAQ

Is Microsoft Azure Solutions Architect Associate still the current certification?

No. The current certification is Microsoft Certified: Azure Solutions Architect Expert. It is earned by passing AZ-305. The older AZ-303 and AZ-304 exams have been retired and should not be treated as current requirements.

Are there prerequisites for AZ-305?

Microsoft does not list formal prerequisites for AZ-305. However, candidates are expected to have subject matter expertise in designing Azure solutions across compute, networking, storage, monitoring, and security. Azure administrator-level experience is strongly helpful, even when it is not mandatory.

How should someone prepare for the AZ-305 exam?

Preparation should start with the official Microsoft Learn skills outline. Candidates should then build hands-on scenarios in Azure, document architecture decisions, review designs against the Azure Well-Architected Framework and Cloud Adoption Framework, and use practice questions to test reasoning rather than memorise answers.

What skills does AZ-305 measure?

AZ-305 measures design skills across identity, governance, monitoring, data storage, business continuity, and infrastructure. The exam expects candidates to evaluate requirements and select appropriate Azure designs, including trade-offs involving security, cost, reliability, performance, and operations.

What roles can this certification support?

The credential is relevant for cloud solutions architect, Azure architect, cloud infrastructure architect, senior cloud engineer, and technical lead roles. It is most valuable when combined with practical experience operating Azure environments and explaining design choices to technical and business stakeholders.