How to Publish ASP.NET Core Blazor Application to IIS

In this tutorial, we will show how to publish ASP.NET Core Blazor to IIS. This is only simple template in Visual Studio 2019.  Here we go


  1. Make sure you install Visual Studio 2019 Community Edition
  2. Install .NET Core 3.1 or above.

Steps to Publish ASP.NET Core Blazor in IIS

1. Make sure that your IIS Web Server up and Running

You can check it on your Program and Features on your localhost. Make sure that you have enabled Web Management Tools and World Wide Web Services as you can see below

Once you have enabled the feature above, you might require to restart your computer. See figure below:

2. Install ASP.NET Core Runtime Hosting Bundle

The second step is to install the ASP.NET Core Runtime Hosting Bundle. The Blazor Server is executed as an ASP.NET Core application on the server, so the runtime requirement is the same as an ASP.NET Core application.

Make sure you install hosting bundle above. Completing this step will make the IIS ready to host the Blazor Server application.

3. Ready to Create Blazor Server Application

Once .NET Core hosting bundle installation is successful and you have restarted your machine, open the Blazor application solution using VS 2019.

Right-click on the Server project of your solution and click publish. In this case, it will be BlazorDDL.Server >> Publish.

You will see a screen similar to below. Select the folder from the left menu and provide a folder path. You can provide any folder path where you want to publish your app.

Click on publish. Visual Studio will start publishing your application. If there are no build errors, then your application will be published successfully in the folder you have mentioned.

4. Host Blazor in IIS

As shown above, we have successfully publish Blazor, now we are going to host it on IIS.

1. Copy your publsihed folder to webroot folder C:\inetpub\wwwroot\

2. Open IIS Manager

Click Windows -> Run -> type inetmgr and then click OK

3. Add Your Website in IIS

4. Browse your Application

5. DONE!


Yes, that’s only simple steps to publish your ASP.NET Core Blazor Application in IIS. If you find this tutorial helpful, you can always share it. Thank you!

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