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Changing the value for startupTimeLimit in an http://ASP.NET Core application can be useful in certain situations to ensure that the application starts successfully. Here are some scenarios in which the value for startupTimeLimit can be adjusted:

Set the value high:

Long initialization time: If the http://ASP.NET Core application takes a long time to initialize, for example, if extensive preparations such as database connections, caching, or other services need to be performed, startupTimeLimit can be increased to ensure that the application has enough time to start successfully.

Decrease value:

Fast deployment: If you are sure that your http://ASP.NET Core application usually starts quickly and you want faster feedback on whether the startup was successful or not, you can decrease the startupTimeLimit. This will shorten the wait time before an error message is displayed if the startup process takes too long.

Error analysis: Lowering the startupTimeLimit can be helpful to detect and diagnose startup problems early. If the application fails due to startup problems, you get an error message faster, which can help to fix the problem.

It is important to note that startupTimeLimit is used to monitor the startup process and ensure that the application is started within a reasonable time. The value should be carefully adjusted to the specific requirements and characteristics of the application. However, in most cases it is not necessary to adjust this parameter, as the default values are usually sufficient.

Configuration using IIS as a hosting server : Entry - entry in the web.config file:

<configuration>    
	<system.webServer>        
		<aspNetCore startupTimeLimit="3600"....

Configuration using Linux as a hosting server :Entry -entry in the appsettings.json file:

{
  "Kestrel": {
    "StartupTimeLimit": 3600,
    // Weitere Konfigurationen für Kestrel-Webserver
  },

  // Weitere Einstellungen für die Anwendung
}