HTTP Error 500.30 - ASP.NET Core app failed to start

Common solutions to this issue:

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

Troubleshooting steps:

• Check the system event log for error messages
• Enable logging the application process' stdout messages
• Attach a debugger to the application process and inspect

For more guidance on diagnosing and handling these errors, visit Troubleshoot ASP.NET Core on Azure App Service and IIS.

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Jun 12, 2026

The Perfect First Car: Safe, Affordable, and Easy-to-Drive Options for New Drivers in Lee’s Summit

Getting a first car is a big deal—there’s excitement, a little nerves, and usually a lot of “what should I even be looking for?” whether it’s a teen driver, a college student, or someone buying their very first vehicle. At McCarthy Chevrolet Lee’s Summit, we help make that decision easier with a large pre-owned inventory—one […]

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HTTP Error 500.30 - ASP.NET Core app failed to start

Common solutions to this issue:

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

Troubleshooting steps:

• Check the system event log for error messages
• Enable logging the application process' stdout messages
• Attach a debugger to the application process and inspect

For more guidance on diagnosing and handling these errors, visit Troubleshoot ASP.NET Core on Azure App Service and IIS.