Introduction

The ‘401 Unauthorized’ error is a common issue that WordPress users may encounter when trying to access certain pages or resources on their website. This error occurs when the server lacks valid authentication credentials for the request.

Reasons for the ‘401 Unauthorized’ Error

Incorrect authentication credentials: Entering the wrong username or password is a common reason for this error.
Incorrect URL: Make sure you are trying to access the correct URL.
Session timeout: Your session might have expired, so log back in to solve the error.
Misconfigured permissions: The server settings may be denying access to users who should have it.
Faulty authentication methods: The server may expect a different authentication method or protocol than what’s being provided.

How to Fix the ‘401 Unauthorized’ Error

Confirm the URL is correct: Double-check the URL for any typos or outdated information.
Clear your browser’s cookies and cache: Corrupted or outdated cache and cookies can lead to authentication failures. Clear them in your browser settings.
Flush DNS cache: Flushing the DNS cache can resolve any outdated or incorrect URL and IP address details. Follow our guide on how to flush the DNS cache.
Check authentication credentials: Make sure you’re using valid authentication credentials. If necessary, try changing the password.
Disable password protection: Temporary disable password protection for the problematic section of your website. Follow the steps in our guide to disable it.
Check the WWW-Authenticate header: The WWW-Authenticate header determines the authentication method the server enforces. Check it to identify any issues.
Disable plugins, modules, and themes: Troubleshoot the error by disabling any problematic plugins, modules, or themes installed on your website.

Conclusion

The ‘401 Unauthorized’ error can be frustrating, but by following the steps outlined in this article, you can resolve the issue and regain access to your WordPress site. If you have any questions or need further assistance, feel free to leave a comment below.

FAQ

Why do I get a ‘401 HTTP Error’?

A ‘401 HTTP Error’ occurs when you try to access a page that requires valid authentication credentials, but the credentials you’re using are either incorrect or missing. Contact the page administrator to obtain the correct access details.

How does a ‘401 Error’ affect my ability to access a website?

A ‘401 Error’ temporarily blocks access to a specific page or resource until you provide valid login credentials. It doesn’t affect your ability to access other parts of the website that don’t require authentication.

What is the difference between a ‘401 Error’ and a ‘403 Error’?

A ‘401 Error’ indicates unauthorized access due to invalid or missing credentials, while a ‘403 Error’ indicates that you’re forbidden from accessing the page, even with valid credentials, often due to permissions set by the website administrator.

About the Authors

Hasna A. is passionate about tech, culture, and the written word. She hopes to create content that helps people succeed on the web. When not writing, rearranging, or polishing sentences, she enjoys live music and overanalyzing movies.

Matleena Salminen is a seasoned Content Writer with 5 years of content marketing experience. She has a particular interest in emerging digital marketing trends, website building, and AI. In her free time, Matleena enjoys cups of good coffee, tending to her balcony garden, and studying Japanese. Follow her on LinkedIn.

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How to Fix the ‘401 Unauthorized’ Error on Your WordPress Site