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You can take AZ-305 without any prior certification, but passing it alone will not award the Microsoft Certified: Azure Solutions Architect Expert certification.
To earn the Expert certification, you must complete both requirements:
- Earn Microsoft Certified: Azure Administrator Associate by passing AZ-104.
- Pass the AZ-305: Designing Microsoft Azure Infrastructure Solutions exam.
Microsoft lists AZ-305 as the required exam and one prerequisite certification for the Solutions Architect Expert credential.^1^ The named prerequisite is the Azure Administrator Associate certification.^2^
You may complete them in either order:
- AZ-104 first, then AZ-305: You receive the Expert certification after passing AZ-305.
- AZ-305 first, then AZ-104: Your AZ-305 result remains an exam achievement, and you receive the Expert certification only after earning Azure Administrator Associate.^3^
Your existing AZ-900: Azure Fundamentals certification does not satisfy this prerequisite. The usual path is therefore:
AZ-900 → AZ-104 → AZ-305
AZ-305 is advanced and assumes experience with Azure administration, networking, identity, security, governance, business continuity, data platforms, Azure development, and DevOps processes.^4^
References
- Microsoft Certified: Azure Solutions Architect Expert - Certifications
- Discover Microsoft Azure learning, training, certifications, and career path opportunities
- About Azure Solutions Architect Expert certification (AZ-305) - Microsoft Q&A
- Exam AZ-305: Designing Microsoft Azure Infrastructure Solutions - Certifications