Quick Answer
The answer is AWS App2Container (A2C), the correct choice for containerizing a .NET Framework 4.7 app with minimal code changes. A2C is purpose-built to analyze existing .NET and Java applications running on Windows or Linux servers, automatically generating Docker images and CloudFormation templates for deployment on Amazon ECS or EKS, which directly satisfies the requirement to move to a containerized architecture without refactoring the application code. On the AWS Certified Solutions Architect Professional SAP-C02 exam, this question tests your understanding of modernization tools that bridge legacy environments and container orchestration—a common trap is confusing A2C with AWS Migration Hub or AWS Server Migration Service, which handle lift-and-shift or server-level migration, not application-level containerization. Remember the key distinction: A2C containerizes the app itself, not the server. Memory tip: think "App2Container" as "Application to Container"—it’s the only AWS tool that directly wraps your .NET Framework 4.7 app into a container image with no code changes required.
This SAP-C02 practice question tests your understanding of accelerate workload migration and modernization. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company plans to modernize an existing .NET Framework 4.7 application running on Windows Server 2012 R2. The company wants to move to a containerized architecture on AWS with minimal code changes. Which service should the company use to meet these requirements?
AWS App2Container (A2C)
A2C analyzes and containerizes .NET applications with minimal code changes.
AWS Serverless Application Model (SAM)
Why wrong: SAM is for serverless applications, not for containerizing legacy .NET apps.
AWS Copilot
Why wrong: Copilot simplifies container operations but does not convert existing applications.
AWS Migration Hub
Why wrong: Migration Hub tracks progress, does not perform containerization.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
AWS App2Container (A2C)
AWS App2Container (A2C) is specifically designed to containerize existing .NET Framework applications running on Windows Server with minimal code changes. It analyzes the application, generates Docker images, and produces CloudFormation templates for deployment on Amazon ECS or EKS, directly meeting the requirement to modernize a .NET Framework 4.7 application to a containerized architecture without significant refactoring.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
AWS App2Container (A2C)
Why this is correct
A2C analyzes and containerizes .NET applications with minimal code changes.
Related concept
Read the scenario before looking for a memorised answer.
AWS Serverless Application Model (SAM)
Why it's wrong here
SAM is for serverless applications, not for containerizing legacy .NET apps.
AWS Copilot
Why it's wrong here
Copilot simplifies container operations but does not convert existing applications.
AWS Migration Hub
Why it's wrong here
Migration Hub tracks progress, does not perform containerization.
Common exam traps
The trap here is that candidates may confuse AWS App2Container with AWS Copilot or SAM, assuming any AWS container tool can handle existing .NET Framework applications, but only A2C provides the automated analysis and containerization of legacy Windows applications with minimal code changes.
Detailed technical explanation
AWS App2Container works by installing an agent on the source Windows Server, which discovers running .NET applications, captures their dependencies (including IIS configuration, registry keys, and file system paths), and generates a Dockerfile with a Windows Server Core base image. It also produces CloudFormation templates that configure AWS Fargate or Amazon ECS with the appropriate task definitions, load balancers, and Auto Scaling groups, enabling a lift-and-shift containerization that preserves the .NET Framework runtime without requiring .NET Core migration.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Accelerate Workload Migration and Modernization — This question tests Accelerate Workload Migration and Modernization — Read the scenario before looking for a memorised answer..
The correct answer is: AWS App2Container (A2C) — AWS App2Container (A2C) is specifically designed to containerize existing .NET Framework applications running on Windows Server with minimal code changes. It analyzes the application, generates Docker images, and produces CloudFormation templates for deployment on Amazon ECS or EKS, directly meeting the requirement to modernize a .NET Framework 4.7 application to a containerized architecture without significant refactoring.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
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