IIS · December 18, 2023

IIS Status Code - 404 Not Found

IIS Status Code - 404 Not Found

When browsing the internet, you may have encountered the frustrating "404 Not Found" error message. This error is a part of the HTTP status code system, specifically the IIS (Internet Information Services) status codes. In this article, we will explore what the 404 Not Found error means, its causes, and how to troubleshoot it.

Understanding the 404 Not Found Error

The 404 Not Found error is an HTTP status code that indicates the server could not find the requested resource. When you visit a website, your browser sends a request to the server for specific files or pages. If the server cannot locate the requested resource, it responds with a 404 Not Found status code.

Typically, the server will also display a custom error page to inform the user that the requested content is unavailable. This page can vary in design and message, depending on how the website is configured.

Causes of the 404 Not Found Error

There are several reasons why you might encounter a 404 Not Found error:

  • Incorrect URL: The most common cause is a mistyped or outdated URL. Double-check the URL for any typos or missing characters.
  • Deleted or Moved Content: If a webpage or file has been deleted or moved to a different location without proper redirection, the server will return a 404 error.
  • Broken Links: Websites often contain links to other pages or external resources. If those links are broken or point to non-existent content, users will encounter a 404 error.
  • Server Configuration Issues: Improper server configuration can lead to 404 errors. This could include misconfigured redirects, missing files, or incorrect permissions.

How to Troubleshoot the 404 Not Found Error

If you encounter a 404 Not Found error, here are some steps you can take to troubleshoot the issue:

  1. Check the URL: Ensure that the URL is correct and properly formatted. Pay attention to capitalization and special characters.
  2. Refresh the Page: Sometimes, a temporary glitch or network issue can cause a 404 error. Refreshing the page might resolve the problem.
  3. Search for the Content: If you believe the content should exist, try searching for it using the website's search function or a search engine.
  4. Contact the Website Owner: If you consistently encounter a 404 error on a specific website, it may be helpful to reach out to the website owner or administrator for assistance.

Summary

The 404 Not Found error is a common occurrence when browsing the internet. It indicates that the server could not locate the requested resource. This error can be caused by various factors, including mistyped URLs, deleted or moved content, broken links, or server configuration issues.

If you encounter a 404 error, double-check the URL, refresh the page, and search for the content. If the issue persists, consider contacting the website owner for further assistance.

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