Software⏱️ 2 min read📅 2026-05-31

How to Fix: Config Error: This configuration section cannot be used at this path

IIS configuration error

Quick Answer: Check the overrideModeDefault setting in your web.config file to ensure it's not set to 'Deny' or overridden by a location tag.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. 🚀 How to Resolve This Issue
  3. 💡 Conclusion

The 'Config Error: This configuration section cannot be used at this path' error is typically caused by a misconfigured web.config file or an incorrect override mode setting. To resolve this issue, follow these steps:

🛑 Root Causes of the Error

  • Incorrect override mode setting in the web.config file or a parent configuration section.

🚀 How to Resolve This Issue

Method 1: Review and Correct the Web.Config File

  1. Step 1: Open the web.config file in a text editor and review the configuration sections.

Method 2: Check Parent Configuration Sections

  1. Step 1: Open the parent web.config file or configuration section that contains the error.

Method 3: Change the Override Mode

  1. Step 1: Open the web.config file and locate the <system.web> section.

💡 Conclusion

By following these steps, you should be able to resolve the 'Config Error: This configuration section cannot be used at this path' error and deploy your site successfully.

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