![]() If you’re not logged in, you will very likely get a 401-error. Invalid login credentials – some pages of a website require you to login in order to access the information.Make sure that the URL for the site you want to access has been entered correctly. Incorrect URL – sometimes the 401 error code is because of the wrong URL.Here are some common causes of the 401 error code: The exact message that indicates a 401 error code varies depending on the server, but here are the typical 401 error code variations that you’ll see: That is, a 401 means access is not necessarily forbidden, the server just cannot authenticate the request to grant access. A 403 error means access to the page is forbidden, whereas a 401 error just means there’s a problem with authenticating access to the page. People often confuse a 401 error with a 403, but the two are different. The 401 error code, like other error codes in the 400-range, means there’s a problem on the client-side – AKA the problem lies on your web browser’s side (or another client), rather than the website you’re trying to visit. For example, a specific page might require a valid username and password to view. your web browser) isn’t able to authenticate itself with the server and, as such, cannot view the resource. In human terms, this basically means that your client ( e.g. This status is typically sent with a WWW-authenticate header that contains information on how to authorize properly. 401 error code responses are most often generated because of invalid credentials for a particular page or destination on your website. ![]() ![]() What does the 401 error code mean?Ī 401 Unauthorized error is an HTTP status code indicating that the server received an unauthenticated request. In a previous post we presented the most common HTTP error codes and status codes, but this post, we’ll explain what the 401 error is, what causes it, and how to fix the error 401 message.
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