ASP.NET Core Module stdout and debug log entries.After the Event Viewer opens, expand Windows Logs > Application in the sidebar.Select Start on the Windows menu, type Event Viewer, and press Enter.Azure App Service: See Troubleshoot ASP.NET Core on Azure App Service and IIS.Browser behavior (status code and error message).This topic describes common errors and provides troubleshooting advice for specific errors when hosting ASP.NET Core apps on Azure Apps Service and IIS.įor general troubleshooting guidance, see Troubleshoot ASP.NET Core on Azure App Service and IIS.