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




HTTP Error 500.30 – <a href="http://ASP.NET" class="autohyperlink">ASP.NET</a> 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





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