HTTP Error 500.30 ASP.Net Core App Failed to Start

Yes so if you faced this issue HTTP Error 500.30 – asp.net Core App Failed to Start, don’t you worry because we got you covered. In this article, I’m going to share 3 Solutions along with Youtube Tutorial.

You are getting this error

HTTP Error 500.30 – ASP.NET Core app failed to start Common solutions to this issue:

The app started but threw an exception during startup, The app failed to start, The app started but then stopped.

Solution 1: Manually Start from Console

So the first thing that you can try is to manually start the app from the console like as follows:

dotnet ServerApp.dll

Use the command above to run it manually!

Solution 2: Debugging

So as per the latest update, you can use this command below and then you can check https://localhost:5000/ for the error that you can debug manually.

dotnet (yourApplicationName).dll

Solution 3: Windows Event Viewer

To find the error details in Windows Event Viewer:

1. Press Win + R, type eventvwr.msc, and press Enter to open Event Viewer.
2. In the left panel, go to Windows Logs > Application.
3. Look for Error events related to .NET Runtime or ASP.NET Core.
4. Click the error to view details.
5. Go to the Details tab to find the exception message and stack trace for more information.

Video for HTTP Error 500.30 ASP.Net Core App Failed to Start

Additionally, you can watch this Youtube Video to check, maybe it will help you better understanding HTML

Final words

In conclusion, the HTTP Error 500.30 ASP.Net Core App Failed to Start indicating that an ASP.NET Core application failed to start and that can be due to multiple factors.

These factors can be misconfiguration of settings, missing dependencies, or code-related errors.

And we talked about that it is crucial to first check for Error Logs so that can make debugging easier for you.

Also you can verify environment configurations and that can also help to ensure the correct .NET SDK/runtime versions are installed

Check for database connectivity or missing files. By looking at the error logs and fixing dependency injections, ensuring proper dependencies setup, and applying required database migrations—should help restore the application’s functionality and resolve the startup failure.