How to Fix a 401 Unauthorized Error?

401 error

One of the most frustrating HTTP response codes is the 401 error, and in this guide, you get to learn How to Fix a 401 Unauthorized Error? It is one of the most often occurring 4xx status codes while attempting to access a particular URL.

 

The client request has not been fulfilled because it does not contain proper authentication credentials for the requested resource, as indicated by the Hypertext Transfer Protocol (HTTP) 401 Unauthorized response status code.

 

This status code is sent together with an HTTP WWW-Authenticate response header that includes instructions on how the client can request the resource once more following a request for authentication credentials from the user.

 

You should examine the error’s implications in greater detail. So, you can better prepare to solve the challenge by comprehending what it means. In light of this, let’s concentrate on the 401 unauthorized error and its resolution.

 

TABLE OF CONTENT

 

  • ERROR 401
  • WHAT IS THE 401 ERROR CODE
  • 401 vs. 403
  • REASONS WHY 401 ERROR OCCUR
  • 8 WAYS TO FIX 401 ERROR

 

ERROR 401

Before knowing about the ways to solve the 401 error code it is important for you to know what exactly is this error and what are the reasons for its appearance on the screen.

 

WHAT IS THE 401 ERROR CODE

A client-side error is the HTTP code “401 Unauthorized Access,” which is an error occurred during the authentication. It means that the visitor receives a challenge from the website’s server in the form of a “WWW-Authenticate” header response. The following is an example of a 401-error message:

  • 401 Authorization Required
  • Access Denied
  • 401 UnauthorizedError
  • HTTTP Error 401

 

401 Vs. 403

This 401 status code is comparable to the 403 Forbidden status code, except that user authentication may be possible in the circumstances leading to this status code, allowing access to the resource, however, in easy words.

 

  • 401 Unauthorized code denotes a problem with the login information for a specific online page.
  • Whereas 403 Forbidden errors signify that the page has been prohibited.

 

REASONS WHY 401 ERRORS OCCUR

The following reasons are some of the potential causes of 401 errors:

 

  • The client may not send the server the correct authentication information in time for the request.
  • It could happen when the client gives valid authentication credentials, but the server rejects the client’s request for any reason.
  • When the server bans the client for a particular reason.

 

8 WAYS TO FIX 401 ERROR

Following are the 8 ways to fix the 401 error code:

 

1.      LOG OUT AND LOG IN, AND REFRESH The Page

Even when you have followed the correct method, you may occasionally receive a 401 error code. Most online applications require the local session token to be recreated when logging out and back in. If that’s the case, the server might be at fault.

 

So when-ever 401 error occur the first thing you should try to remove it is to log out and log back in since a mistake could happen during website maintenance. However, sometimes reloading the webpage is all that is required. The error can be eliminated by doing this.

 

2.      Verify The URL Is Accurate

Sometimes you manually type a URL (Uniform Resource Locator) into the browser or utilize an old URL. You may get a request failed with status code 401. Ensure you are entering the correct URL in your browser’s address bar by checking. Checking each URL letter, including any special symbols, characters, or numerals, might get tiresome.

 

You might occasionally try to open a URL link only accessible to licensed users or provide the wrong URL. Always make sure the address you supply is accurate. Some web servers protect inappropriate URLs. For instance, you may acquire data using a URL to obtain a directory file.

 

The only solution is to enter the correct URL before refreshing the page to address the issue. It’s a typical error that can be avoided by proofreading for mistakes or ensuring the URL is still active.

 

3.      Defragment Your Browser’s Cookies And Cache.

An HTTP 401 error may be caused by a conflict between your actions and your desktop’s cached versions. This can be because damaged or malformed cookies cause the incorrect server verification to be triggered. Your browser’s cache keeps copies of web resources and material locally available.

 

If so, you must erase your cookies and cache to fix the problem—Press Ctrl+Shift+Del to do this or follow the below-given steps.

 

  • In Google Chrome, click the three dots in the top-right corner to access the settings for your browser.
  • A lengthy dialogue window will appear when the three dots icon is clicked.
  • To precise browsing data, go to Settings -> Privacy and Security.
  • Change the period before using the “clear” button to remove stale cookies and cache data.
  • To clear your browser’s cookies and cache, click “Time” and choose “All time.”

 

4.      Clear The DNS Cache On Your Device.

The 401 response code can be caused by corrupted or out-of-date local DNS settings on your device because your computer frequently stores information about the IP addresses and URLs you visit. It may be worthwhile to think about clearing the device’s DNS cache. 

 

Getting rid of all that transient info from your computer includes flushing your DNS. In this manner, a new request and re-authentication will be made whenever you attempt to recess the issue URL. The procedure varies depending on the operating system (OS).

Learn about what is incognito and how does it work.

 

5.      Temporarily Turn Off The Password Protection.

The 401 error code can be occurred due to some password protections. Temporarily turning off password security for the issue area of your website to fix the 401 error is a good way. There are other places to get password protection besides the hosting panel.

 

Directives might force it on the websites. htaccess file if it is not specified in the hosting panel but still requests a login. You could have added the. htaccess code before and forgot about it, or a plugin added it. The steps below can be used to turn off password security enabled using the. htaccess and. htpasswd files:

 

  • Go to the File Manager for your hosting account.
  • Access the password-protected website directory.
  • Locate the. htaccess file you made when you initially enabled password security.
  • If you decide to turn on password security again, back up the contents of the—htaccess file.
  • Remove the directories—htaccess file.
  • Locate the. htpasswd file’s secret location, backup it, and remove it.

 

6.      Deactivate Several Modules, Themes, And Plugins

Every system uses extensions, modules, or plugins for the same reason. They enhance your CMS’s features and functionalities. However, it would be best to exercise caution while using extensions because they can seize total control of the system and alter the PHP code, HTML, CSS, JavaScript, or database in almost any way.

Therefore, remove any new extensions you installed before receiving the 401 status code. Disabling plugins, themes, and modules will resolve the 401 error response. Just follow these steps:

To access the admin dashboard, enter your credentials.

 

  • Click “Appearance” then “Themes.”
  • To turn on the “default” theme, click.
  • Go to Plugins -> Installed Plugins after that.
  • Make a list of all the plugins and select “Deactivate” from the drop-down menu.
  • Click apply at the end to remove all plugins.

 

7.      Verify The Authentication Credentials

After logging in, if a 401 login occurs, your username or password is incorrect. When you attempt to access a restricted resource, like a password-protected page, with improper login credentials, the 401 Unauthorized Error code may occur. You won’t be able to open the page as a result.

 

Verify that you are using a valid user ID and password to log in. You must use the website’s built-in Password Reset function to reset your login information, notably your password if you’ve forgotten it. You will then be able to choose a new password.

 

Changing your password is simple if you use a legitimate email address to register for the website. Many websites will send you a confirmation email with your new password and username. To regain access, you may need to contact the website administrator. Once you have the correct login information, try to access the website.

 

8.      Speak With Your Hosting Company

Contacting your hosting company is your best option if all else fails, and the 401 problem lasts for some time without getting resolved. Because you might only sometimes comprehend the issue, you must get in touch with your website operator.

 

The support staff at your provider has access to better diagnostic equipment, so they can assist you in determining the root of the problem. Remember to give detailed information about the system and the issue you are having. This will enable you to receive the best support.

 

However, tickets could take some time to process, so it’s a good idea to attempt troubleshooting the response code 401 first.

 

CONCLUSION

The conclusion of How to Fix a 401 Unauthorized Error? Is that there are several ways to resolve this issue. The easiest and first way is to log out and log in and refresh the page, Verify the URL is accurate, Clear the cookies and cache in your browser, and clear the DNS cache on your device.

 

Temporarily turn off the password protection, deactivate several modules, themes, and plugins, and Verify the Authentication Credentials. If you need a different way, then the last step you should take is to speak with your hosting company.

 

Don’t panic when any error occurs because every mistake has a solution, and the ways to resolve the 401 error code are given above, so go ahead and follow these if you get one. BEST OF LUCK!

 

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