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--- title: Azure Migrate application and code assessment for .NET description: How to assess and replatform any type of .NET applications with the Azure Migrate application and code assessment tool to evaluate their readiness to migrate to Azure. author: brborges ms.author: brborges ms.service: azure-migrate ms.custom: devx-track-dotnet ms.topic: concept-article ms.date: 11/15/2023 # Customer intent: "As a .NET developer, I want to assess my application's readiness for migration to Azure, so that I can identify potential issues and optimize performance and security through cloud-native solutions." --- # Azure Migrate application and code assessment for .NET Azure Migrate application and code assessment for .NET allows you to assess .NET source code, configurations, and binaries of your application to identify migration opportunities to Azure. It helps you identify any issues your application might have when ported to Azure and improve the performance, scalability, and security by suggesting modern, cloud-native solutions. :::image type="content" source="media/dotnet/visual-studio.png" alt-text="Screenshot of the Azure Migrate application and code assessment for .NET in Visual Studio." lightbox="media/dotnet/visual-studio.png"::: It discovers application technology usage through static code analysis, supports effort estimation, and accelerates code replatforming, helping you move .NET applications to Azure. You can use Azure Migrate application and code assessment for .NET in Visual Studio or in the .NET CLI. ## Install the Visual Studio extension ### Prerequisites - Windows operating system - Visual Studio 2022 version 17.1 or later ### Installation steps Use the following steps to install it from inside Visual Studio. Alternatively, you can download and install the extension from the [Visual Studio Marketplace](https://marketplace.visualstudio.com/items?itemName=ms-dotnettools.appcat). 1. With Visual Studio opened, select the **Extensions > Manage Extensions** menu item, which opens the **Manage Extensions** window. 1. In the **Manage Extensions** window, enter *Azure Migrate* into the search input box. 1. Select **Azure Migrate application and code assessment**, and then select **Download**. 1. After the extension downloads, close Visual Studio to start the installation of the extension. 1. In the VSIX Installer dialog, select **Modify** and follow the directions to install the extension. ## Install the CLI tool ### Prerequisites - .NET SDK (6 or greater) ### Installation steps To install the tool, run the following command in a CLI: ```dotnetcli dotnet tool install -g dotnet-appcat ``` To update the tool, run the following command in a CLI: ```dotnetcli dotnet tool update -g dotnet-appcat ``` > [!IMPORTANT] > Installing this tool may fail if you've configured additional NuGet feed sources. Use the `--ignore-failed-sources` parameter to treat those failures as warnings instead of errors. > > ```dotnetcli > dotnet tool install -g --ignore-failed-sources dotnet-appcat > ``` ## Analyze applications with Visual Studio After you install the Visual Studio extension, you're ready to analyze your application in Visual Studio. To analyze an application, right click any of the projects or a solution in the Solution Explorer window and select **Re-platform to Azure**. :::image type="content" source="media/dotnet/replatform.png" alt-text="Screenshot of the Replatform to Azure menu item in Visual Studio." lightbox="media/dotnet/replatform.png"::: For more information, see [Analyze applications with Visual Studio](/dotnet/azure/migration/appcat/visual-studio). ## Analyze applications with .NET CLI After you install the CLI tool, you're ready to analyze your application in the CLI. In the CLI, run the following command: ```dotnetcli appcat analyze <application-path> ``` You can specify a path and a format (*.html*, *.json*, or *.csv*) for the report file that the tool produces, as shown in the following example: ```dotnetcli appcat analyze <application-path> --report MyAppReport --serializer html ``` For more information, see [Analyze applications with the .NET CLI](/dotnet/azure/migration/appcat/dotnet-cli). ## Interpret reports For a detailed description of the different parts of the reports and how to understand and interpret the data, see [Interpret the analysis results](/dotnet/azure/migration/appcat/interpret-results). ### Supported languages Application and code assessment for .NET can analyze projects written in the following languages: - C# - Visual Basic ### Supported project types It analyzes your code in the following project types: - ASP.NET - Class libraries ### Supported Azure targets Currently, the application identifies potential issues for migration to Azure App Service, Azure Kubernetes Service (AKS), and Azure Container Apps. ## Next steps - [CLI usage guide](https://azure.github.io/appcat-docs/cli/) - [Rules development guide](https://azure.github.io/appcat-docs/rules-development-guide/)