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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Jan 13, 2026

2025 Cadillac OPTIQ: How Super Cruise and Fast-Charging Make EV Life Easier around Decatur, IL

Landmark Cadillac – 2025 Cadillac OPTIQ: How Super Cruise and Fast-Charging Make EV Life Easier around Decatur, IL For many luxury EV shoppers, two questions rise to the top: Will it make highway travel simpler, and can I charge without stress? The 2025 Cadillac OPTIQ addresses both with a blend of hands-free driving confidence and […]

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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.