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AZ 2009: Build Distributed Apps with .NET Aspire

AZ 2009: Build Distributed Apps with .NET Aspire equips .NET developers with skills to design cloud-native, containerized applications using the .NET Aspire stack in .NET 8. It solves the complexity of microservices orchestration by teaching configuration, telemetry, caching, and messaging with Redis and RabbitMQ. With 80% of enterprises adopting cloud-native architectures (Microsoft, 2024), this course meets rising demand for distributed app expertise.

This Microsoft Applied Skills course prepares learners for the official Build distributed apps with .NET Aspire credential. Koenig offers Guaranteed-to-Run dates and official vendor-authorized courseware, ensuring hands-on mastery. Graduates gain a recognized certification that validates modern .NET development skills for cloud innovation roles.

8 Hours (1 Days)
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Course Overview

AZ 2009: Build Distributed Apps with .NET Aspire is a Microsoft official training course designed for .NET developers aiming to master cloud-native application development using the modern .NET Aspire framework. This one-day, instructor-led course prepares learners for the Microsoft Applied Skills credential in "Build distributed apps with .NET Aspire" (assessment code APL-2009). It targets developer roles such as Cloud Application Developer, Full-Stack .NET Developer, and Microservices Engineer. With 85% of Fortune 500 companies adopting Azure for cloud solutions, expertise in .NET Aspire—a stack optimized for building observable, resilient, and deployable distributed applications—is increasingly in demand across enterprise environments.

The course provides hands-on experience with key Microsoft technologies including .NET Aspire, Azure Container Apps (ACA), Azure Kubernetes Service (AKS), and the Azure Developer CLI (azd). Students work directly in the Azure Portal and local development environments to build and configure a full-stack distributed application, adding service discovery, telemetry, caching, and external integrations. A core lab project involves creating an app host, deploying microservices to ACA, and monitoring performance via the .NET Aspire dashboard. Learners also implement integration tests and prepare deployment manifests, simulating real-world scenarios like CI/CD pipeline integration and production-ready configuration for cloud hosting on Microsoft Azure.

By completing AZ 2009: Build Distributed Apps with .NET Aspire, developers gain practical skills that align directly with the Microsoft Applied Skills assessment, a credential recognized by top tech employers for cloud application proficiency. Certified professionals report average salary increases of 15–20%, with senior .NET developers earning up to $135,000 annually in North America. Koenig Solutions enhances this learning with Guaranteed-to-Run batches, official Microsoft courseware, and optional 1-on-1 mentoring, ensuring mastery of complex concepts. Graduates are equipped to design scalable, cloud-native applications, positioning them for advancement into cloud architect or senior developer roles within Azure-centric organizations.

What You'll Learn

✓Configure Service Defaults within .NET Aspire projects to establish standardized cross-service communication and resilience policies.
✓Orchestrate multi-project solutions using the AppHost to manage dependencies and lifecycle events for distributed components.
✓Implement Service Discovery mechanisms to enable dynamic endpoint resolution and load balancing across microservices.
✓Integrate OpenTelemetry and the .NET Aspire dashboard to capture and visualize distributed traces, metrics, and logs for system observability.
✓Optimize data access layers by configuring Redis caching and managed database connections for SQL Server and MongoDB within the application stack.
✓Deploy cloud-native distributed applications to Azure Container Apps by automating containerization and environment configuration workflows.

Prerequisites

Recommended knowledge before taking this course
  • Experience developing applications using C# and .NET 8, as covered in the AZ 2009: Build Distributed Apps with .NET Aspire course by Microsoft
  • Familiarity with building web applications using ASP.NET Core, a key focus of the AZ 2009 certification training
  • Understanding microservices architecture and distributed systems concepts, essential for modern app development with Microsoft technologies
  • Hands-on experience with Visual Studio or Visual Studio Code for .NET development, as emphasized in the Microsoft course
  • Working knowledge of containerization fundamentals like Docker and container orchestration, critical skills taught in AZ 2009
  • Basic proficiency with Azure services such as Azure Container Apps or Azure Kubernetes Service, aligned with Microsoft’s official training standards
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Certification Exam

Everything you need to know about the AZ 2009 certification exam

Exam Details
Exam Name
Format
Multiple choice, labs & case studies
Questions
Duration
Passing Score
Validity
Retake Policy
Eligible for retake 72 hours after the previous attempt with no restriction on total attempts
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AZ 2009: Build Distributed Apps with .NET Aspire

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Course Curriculum

Structured learning with hands-on labs and real-world scenarios

1
Day 1– Mastering AZ 2009: Build Distributed Apps with .NET Aspire
Define cloud-native distributed application architectures Identify core Microsoft .NET Aspire components Analyze the .NET Aspire eShop reference application Evaluate benefits of the .NET Aspire stack Build projects using official Visual Studio templates Select components for specific functional requirements Debug complex .NET Aspire solution architectures Optimize your developer experience and productivity
2
Day 2– Project Orchestration with AZ 2009
Initialize new .NET Aspire project structures Add orchestration to existing .NET applications Configure app host and default service settings Integrate ASP.NET Core apps into Aspire Architect scalable multi-project .NET solutions Manage service dependencies and lifecycle events Use .NET CLI for rapid project scaffolding Validate service connectivity in local environments
3
Day 3– Advanced Telemetry and Monitoring
Enable OpenTelemetry within .NET Aspire environments Utilize built-in telemetry APIs for visibility Monitor services via the .NET Aspire dashboard Diagnose microservice connection issues efficiently Analyze logs, metrics, and distributed traces Implement custom logging using ILogger patterns Identify critical system performance bottlenecks Resolve upstream service errors systematically
4
Day 4– Data Persistence and Caching Strategies
Connect SQL databases like SQL Server and PostgreSQL Integrate NoSQL databases including MongoDB Configure automated database resource provisioning Ensure data persistence across microservices Implement high-performance Redis distributed caching Use Redis output cache for rapid responses Optimize application performance with caching Test cache integration during development cycles
5
Day 5– Messaging and Deployment Workflows
Integrate RabbitMQ for robust message brokering Facilitate communication between microservices Configure queues, topics, and message exchanges Utilize the official .NET Aspire RabbitMQ client Create comprehensive integration and functional tests Prepare production-ready deployment manifests Publish resources for Azure Container Apps Deploy solutions to scalable Kubernetes clusters

What's Included in Your Training

Every enrollment comes packed with resources to maximise your learning and exam success

Career Outcomes

78%

of AZ 2009 certified professionals report career advancement within 6 months

Salary Impact

+22%

Average salary increase reported after obtaining the AZ 2009 certification

Typical Salary Range (Global)
Entry$90,000–$115,000
Mid$115,000–$145,000
Senior$145,000–$180,000

*Source: Glassdoor / LinkedIn 2025

Job Roles

6
  • Cloud-Native .NET Developer
  • Distributed Applications Engineer
  • Microservices Developer
  • Azure Cloud Developer
  • Full Stack Developer (.NET Aspire)
  • DevOps Engineer (Cloud-Native Applications)

Companies Hiring

5,000+
Microsoft Accenture Deloitte Infosys Wipro TCS Capgemini Cognizant JP Morgan Chase Ernst & Young

and 5,000+ organizations worldwide seeking AZ 2009 certified professionals

Real Transformations

Course Student Reviews

Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.

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    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

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    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

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    CISO, Financial Services

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  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

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    Head of L&D, UK Enterprise

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  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

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    AI Engineer

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  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified

Frequently Asked Questions

Everything you need to know about the AZ 2009 training course

Is the certification exam included in the AZ 2009: Build Distributed Apps with .NET Aspire course fee, and what is the cost if separate?
The official Microsoft certification exam for AZ 2009: Build Distributed Apps with .NET Aspire is not included in the course tuition. You must access the Microsoft Applied Skills assessment separately via the Microsoft Learn portal. These vendor-verified assessments are free to take, allowing you to validate your cloud-native development expertise at no additional cost.
What training formats does Koenig offer for AZ 2009: Build Distributed Apps with .NET Aspire, and is Guaranteed-to-Run scheduling available?
Koenig delivers AZ 2009: Build Distributed Apps with .NET Aspire through live online instructor-led, classroom, 1-on-1, and self-paced Flexi formats. All options feature our Guaranteed-to-Run scheduling, ensuring your training proceeds regardless of enrollment size. You receive official Microsoft courseware, expert-led instruction, and hands-on labs to ensure a consistent, high-quality learning experience for every student.
How long is lab access provided, and what environment is used for hands-on practice in AZ 2009: Build Distributed Apps with .NET Aspire?
You gain 30 days of lab access for AZ 2009: Build Distributed Apps with .NET Aspire via Microsoft-hosted cloud sandboxes on the LET Platform. This setup requires no Azure Pass. These secure, real-world environments allow you to master .NET Aspire app configuration, service discovery, and telemetry deployment within isolated, vendor-provisioned instances that align perfectly with official Microsoft learning standards.
What is Koenig's rescheduling and cancellation policy for the AZ 2009: Build Distributed Apps with .NET Aspire course?
Rescheduling your AZ 2009: Build Distributed Apps with .NET Aspire course is free with at least 10 days' notice. Changes or cancellations within this 10-day window incur a 50% fee of the total course price. Each enrollment permits one reschedule, maintaining fairness across all Guaranteed-to-Run batches in accordance with Koenig’s official Terms of Service.
What is the format, number of questions, passing score, and time limit for the AZ 2009: Build Distributed Apps with .NET Aspire Applied Skills assessment?
The AZ 2009: Build Distributed Apps with .NET Aspire Applied Skills assessment consists of performance-based tasks and case studies within a 90-minute window, part of 120 minutes total seat time. You must achieve a scaled score of 700/1,000 to pass. The assessment tests your ability to configure .NET Aspire solutions, deploy manifests, and manage telemetry dashboards.
How long is the AZ 2009: Build Distributed Apps with .NET Aspire Applied Skills credential valid, and what is the renewal process and cost?
The AZ 2009: Build Distributed Apps with .NET Aspire credential does not expire. Unlike traditional role-based certifications, Applied Skills achievements remain permanently on your Microsoft transcript and require no annual renewal fees. While Microsoft may retire credentials due to major technology shifts, your earned status remains a valid, permanent record of your technical proficiency.
What post-training support does Koenig provide after completing the AZ 2009: Build Distributed Apps with .NET Aspire course?
Upon finishing AZ 2009: Build Distributed Apps with .NET Aspire, Koenig offers 30 days of dedicated support. This includes email access to expert instructors, 6 months of access to session recordings, and a 30-day lab extension. You also receive practice tests and official courseware to reinforce your skills and ensure you are fully prepared for your assessment.
What prerequisites or prior experience are needed for the AZ 2009: Build Distributed Apps with .NET Aspire course?
To succeed in AZ 2009: Build Distributed Apps with .NET Aspire, learners should possess intermediate .NET development skills, Docker containerization familiarity, and basic Azure knowledge. Prior experience with microservices architecture and Visual Studio or VS Code is strongly recommended to effectively navigate .NET Aspire app host configuration and complex distributed debugging tasks during the training.
What career impact or salary increase can professionals expect after earning the AZ 2009: Build Distributed Apps with .NET Aspire credential?
Professionals mastering .NET Aspire often command U.S. salaries between $110,000 and $140,000 for cloud-native developer roles. The AZ 2009: Build Distributed Apps with .NET Aspire credential validates your ability to manage modern distributed application patterns, significantly boosting your employability within organizations that prioritize scalable, observable, and deployable cloud microservices architectures on the Azure platform.
How does instructor-led AZ 2009: Build Distributed Apps with .NET Aspire training compare to self-study in terms of exam success and skill retention?
Koenig internal data shows that instructor-led AZ 2009: Build Distributed Apps with .NET Aspire training increases exam success rates by 40% over self-study. Live guidance, structured labs, and real-time feedback help you master complex topics like service discovery and manifest publishing. This approach ensures superior skill retention and faster deployment readiness for your enterprise development team.

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