Asp.net Iis Registration Tool Download Portable May 2026

What are you currently working with?

Note: The version number (v4.0.30319) may vary slightly depending on the specific update of the .NET Framework 4.x you have installed. Common Uses for Aspnet_regiis.exe

%windir%\Microsoft.NET\Framework\v4.0.30319 asp.net iis registration tool download

You do not need to download Aspnet_regiis.exe as a standalone package. It is automatically included with the installation of the .NET Framework. If you are looking for the tool, it is already on your machine provided you have the .NET Framework installed.

Navigate to the folder path mentioned above using the cd command. Execute your desired command (e.g., aspnet_regiis.exe -i ). What are you currently working with

If you are having trouble with a specific error code, I can help you: a specific "failed to register" error Encrypt a web.config file step-by-step Find the right Hosting Bundle for .NET 6/7/8

If you install IIS after installing .NET, the mappings might be missing. Running aspnet_regiis.exe -i installs ASP.NET and updates script maps. It is automatically included with the installation of the

💡 For .NET Core and .NET 5+, this tool is obsolete. Modern .NET uses the ASP.NET Core Core Module (ANCM) , which is installed via the .NET Core Hosting Bundle.