Asp net application does not auto start


ASP.NET is a popular programming used for developing web applications. One common issue that developers face is the auto-start feature not working in ASP.NET applications. In this article, we will explore the possible reasons for this issue and provide with .

the Auto-Start Feature

The auto-start feature in ASP.NET allows the application to automatically start when the web server is or the application pool is recycled. This feature is useful for applications that require initialization or background tasks to be performed when the application starts.

Possible Reasons for Auto-Start Not Working

There can be several reasons why the auto-start feature is not working in your ASP.NET application. Let's discuss some of the common ones:

1. Configuration Issue

One possible reason is a configuration issue in the web.config file. Ensure that the section contains the correct settings for auto-start. Here is an example:


2. Application Pool Settings

Check the application pool settings in IIS (Internet Information Services). Ensure that the “Start Mode” is set to “AlwaysRunning” or “OnDemand” for the application pool associated with your ASP.NET application.

3. IIS Version

Auto-start feature is available in IIS 7.5 and later versions. If you are using an older version of IIS, the auto-start feature may not be supported.

Solutions with Examples

1. Configuring Auto-Start in web.config

To configure auto-start in the web.config file, add the code within the section:



In the above example, we have set the auto-start to true for the application pool named “MyApplicationPool”. The section specifies the initialization page that will be executed when the application starts.

2. Setting Application Pool Start Mode in IIS

To set the application pool start mode in IIS, follow these :

  1. Open IIS Manager.
  2. Expand the “Application Pools” node.
  3. Right-click on the application pool associated with your ASP.NET application and select “Advanced Settings”.
  4. In the “Advanced Settings” window, locate the “Start Mode” property and set it to “AlwaysRunning” or “OnDemand”.
  5. Click “OK” to save the changes.

3. Checking IIS Version

If you are using an older version of IIS, consider upgrading to a newer version that supports the auto-start feature. You can check the version of IIS by following these steps:

  1. Open IIS Manager.
  2. Click on the server node in the left-hand pane.
  3. In the “Features View”, locate the “Version” property.

If the version is below 7.5, you may need to upgrade to a newer version to enable the auto-start feature.


The auto-start feature in ASP.NET is a useful feature for initializing applications or performing background tasks. If you are with the auto-start feature not working, this article provided possible reasons and solutions to resolve the . By following the examples and steps provided, you can ensure that your ASP.NET application auto-starts successfully.

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