Software⏱️ 2 min read📅 2026-05-31

How to Fix: How to set session timeout in web.config

Configure session timeout in ASP.Net web.config

Quick Answer: Yes, your configuration is correct. The 'timeout' attribute sets the session timeout value for InProc mode.

To set the session timeout value for an in-process session in your ASP.Net web application, you need to configure the sessionState element within the <system.web> section of your web.config file.

💡 Why You Are Getting This Error

  • [Cause]

✅ Best Solutions to Fix It

Method 1: Setting Session Timeout in web.config

  1. Step 1: Open your web.config file and navigate to the <system.web> section.

Method 2: Using the web.config Transformation Feature

  1. Step 1: Create a new configuration file in your project's App_Code folder, e.g., WebConfig transformations.cs.

🎯 Final Words

[Wrap-up]

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