Mar 24, 2025 · This issue may occur if the user is a member of many Active Directory user groups. The HTTP request to the server contains the Kerberos token in the Authorize header.

Nov 5, 2025 · Users who are members of hundreds of Active Directory groups receive a “400 Bad Request – Request header or cookie too large” error when trying to authenticate to web …

Jul 23, 2025 · In order to tell the end user that the server is facing issues, the server sends 400 Bad Request Error. The "Request Header or Cookie Too Large" part tells that the problem …

Oct 1, 2025 · In the vast majority of possible scenarios, a 400 Bad Request is a client-side issue caused by the submitted request to the server or a local caching issue. The solutions outlined …

Jun 5, 2025 · The 400 Bad Request error is part of the HTTP status codes classification and serves as a notification that the server was unable to process the request due to a problem …

Jul 24, 2025 · 400 Bad Request means the website’s server cannot understand a user’s request. This usually happens when something is wrong with the user’s request, causing the server to …

Jun 5, 2025 · Learn what causes the 400 Bad Request error and follow the step-by-step solutions to get your site or page working again.

Jan 15, 2025 · To resolve this problem, update the registry on each computer that participates in the Kerberos authentication process, including the client computers. We recommend that you …

Sep 18, 2025 · Learn how to fix the HTTP Error 400 Bad Request with these 8 proven methods. Understand the common causes and resolve 400 status code issues effectively.

When the client sends an invalid request to the server, the server issues an HTTP status code 400. A high number of 400 errors can negatively affect the usability of websites, and is usually …