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--- title: Assess .NET Apps description: Assess .NET web apps before migrating to Azure App Service author: msangapu-msft ms.topic: concept-article ms.date: 12/03/2025 ms.author: msangapu ms.devlang: csharp ms.custom: devx-track-dotnet ms.service: azure-app-service --- # At-scale assessment of .NET web apps Once you've discovered ASP.NET web apps, you should proceed to the next step of assessing these web apps. Assessment provides you with migration readiness and sizing recommendations based on properties defined by you. ## Key assessment capabilities - Modify assessment properties according to your requirements, like target Azure region, application isolation requirements, and reserved instance pricing. - Provide App Service SKU recommendation and display monthly cost estimates. - Provide migration readiness information per web app and provide detailed information on blockers and errors. You can create multiple assessments for the same web apps with different sets of assessment properties. ## Related content - [At scale discovery and assessment for ASP.NET app migration with Azure Migrate](https://channel9.msdn.com/Shows/Inside-Azure-for-IT/At-scale-discovery-and-assessment-for-ASPNET-app-migration-with-Azure-Migrate) - [Create an Azure App Service assessment](../migrate/how-to-create-azure-app-service-assessment.md) - [Tutorial to assess web apps for migration to Azure App Service](../migrate/tutorial-assess-webapps.md) - [Azure App Service assessments in Azure Migrate Discovery and assessment tool](../migrate/concepts-azure-webapps-assessment-calculation.md) - [Best practices for creating assessments](../migrate/best-practices-assessment.md)