Enable ASP.NET 4.8 Support in IIS on Windows 11

This feature adds the support for hosting & serving ASP.NET 4.8 Applications in IIS

Enable ASP.NET 4.8 on Windows 11: If you’re looking to host ASP.NET 4.8 applications on Windows 11, enabling support within Internet Information Services (IIS) is essential. IIS is Microsoft’s built-in web server, widely used for deploying Windows applicationswebsites, and services. By default, Windows 11 includes .NET Framework 4.8, the foundation required to run ASP.NET 4.8 applications, but specific components must be activated for IIS to support ASP.NET fully. By the end of this article, your Windows 11 will be ready to host and serve ASP.NET applications by providing the necessary libraries, modules, and handlers. Let’s get started.

Key Steps:

  • To Enable this feature on Windows 11, we will use Windows Features.
  • To access Windows Features, open Run and execute the following command. appwiz.cpl
  • On the Programs and Features window, click on Turn Windows Features on or off from the left pane.
  • Windows Features dialog will open now. Locate Internet Information Services and expand the tree.
  • Then, expand World Wide Web Services.
  • Finally, expand Application Development Features.
  • Now, you can find ASP.NET 4.8. Click on the checkbox to enable it. Click OK.
  • Now, your Windows 11 and you are IIS servers are ready to host and server ASP.NET 4.8 Applications.
ASP.NET 4.8 IN IIS TREE
ASP.NET 4.8 IN IIS TREE

I can find ASP.NET 4.8 in two places, .NET Framework 4.8 Advanced Services & in IIS, which one should I Enable?

In Windows Features, ASP.NET 4.8 appears in two locations because each instance serves a different purpose.

How do I enable ASP.NET 4.8 in IIS on Windows 11 – Simple ways

Open Programs and Features using appwiz.cpl
Open Programs and Features using appwiz.cpl
Turn Windows Features on or off
Turn Windows Features on or off
Expand IIS Tree
Expand IIS Tree
Expand World Wide Web Services
Expand World Wide Web Services
Expand Application Development features
Expand Application Development features
Enable ASP.NET 4.8 for IIS in Windows 11
Enable ASP.NET 4.8 for IIS in Windows 11
Windows Searching for the required files
Windows Searching for the required files
Applying changes
Applying changes
Windows has completed the changes
Windows has completed the changes

Frequently Asked Questions

Do I need to restart my computer after enabling ASP.NET 4.8 in IIS?

Typically, after enabling these features in Windows Features, Windows may prompt you to restart to fully apply the changes. A restart helps ensure all IIS and .NET components are configured correctly.

I enabled ASP.NET 4.8 in IIS, but my application is still not working. What could be wrong?

Common issues include Permissions, Application Pool Configuration, Web.config settings, and restart IIS. Check on all of these options.

Can I enable both ASP.NET 4.8 and ASP.NET Core on the same IIS server?

Yes, you can enable both ASP.NET 4.8 (for .NET Framework applications) and ASP.NET Core on the same IIS instance. They are compatible and can run side by side, allowing you to host different types of .NET applications.

How can I uninstall or disable ASP.NET 4.8 support in IIS if I no longer need it?

To disable ASP.NET 4.8, go to Windows Features, and uncheck ASP.NET 4.8 under both .NET Framework 4.8 Advanced Services and IIS > Application Development Features. Disabling these options will remove ASP.NET 4.8 support from IIS.

Take away

By following these steps to enable ASP.NET 4.8 support in IIS on Windows 11, you’re setting up a powerful environment for hosting ASP.NET applications. This configuration allows you to take full advantage of .NET Framework 4.8’s capabilities while ensuring IIS is ready to handle and serve your web applications smoothly. For more interesting articles, stay tuned to Winsides.com. Happy Coding! Peace out!

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