.NET Migration - Automatic
Automatically Migrate Codebase to Latest .NET
The .NET Upgrade Assistant is a powerful tool designed to help you seamlessly migrate your .NET Framework, .NET Core, or older .NET projects to the latest version of .NET. Available as both a Visual Studio extension and a command-line interface (CLI), it scans your code, flags compatibility issues, and guides you through the upgrade process.
Key Features
- Automated Code Analysis: Identifies upgrade needs and generates a comprehensive report.
- Guided Upgrade Paths: Provides wizards for full-project or partial upgrades with multiple options.
- Supports Multiple Project Types: From ASP.NET and Azure Functions to Xamarin and .NET MAUI.
- Flexible Upgrade Modes: Choose between in-place, side-by-side, or incremental upgrades.
Supported Project Types
- ASP.NET
- Azure Functions
- WPF (Windows Presentation Foundation)
- Windows Forms
- Console Apps
- Class Libraries
- Xamarin Forms → .NET MAUI
- UWP → WinUI 3
Upgrade Paths
- .NET Framework → .NET
- .NET Core → .NET
- Azure Functions v1–v3 → v4 Isolated (net6.0+)
- Xamarin Forms → .NET MAUI
- UWP → WinUI 3
💡 Use Visual Studio 2022 v17.6+ for advanced XAML transformations.
Upgrade Options
- In-place: Directly upgrades the existing project.
- Side-by-side: Clones your project and upgrades the copy.
- Incremental: Ideal for complex ASP.NET apps. Route some endpoints to the new .NET app while retaining others.
Interpreting Upgrade Results
| Icon | Status Description |
|---|---|
| ✅ (Unfilled) | Nothing needed to upgrade |
| ✅ (Filled) | Successfully upgraded |
| ⚠️ Yellow | Upgraded with warnings |
| ❌ Red | Upgrade failed |
Results appear in Visual Studio’s Upgrade Results tab and logs are available in the Output Window under "Upgrade Assistant".
PostMigration
Don't forget to thoroughly test your application to ensure everything functions as expected post-upgrade.