400 Bad Request Error Resolution

Steps to Resolve the 400 Bad Request Error

Error Message

400 Bad Request error messages are sometimes customized by website owners so keep in mind that this error may present itself in more ways than the common ones listed below:

• "400: Bad Request"
• "HTTP Error 400 - Bad Request"

The 400 Bad Request error displays inside the Internet browser window, just as web pages do.

Cause

The 400 Bad Request error is an HTTP status code that means that the request you sent to the website server (i.e. a request to load a web page) was somehow malformed therefore the server was unable to understand or process the request.

Resolution

1. Check for errors in the URL. The most common reason for a 400 Bad Request error is because the URL was typed wrong or the link that was clicked on points to a URL with some kind of mistake in it.
   
   
2. Though it's rare, the 400 Bad Request error could be an issue with the web site's server that you are trying to access. You may want to attempt to contact the webmaster or another site contact and inform them of the error message. The webmaster of most Internet sites can be reached via email at webmaster@website.com, replacing website.com with the actual website name.

Applies To

This issue applies to any Internet browser in any operating system.

Related Error Messages

The following error messages are related to the "400: Bad Request" error:

401: Unauthorized | 403: Forbidden | 404: Not Found | 408: Request Timeout | 500: Internal Server Error | 502: Bad Gateway | 503: Service Unavailable | 504: Gateway Timeout