- The server cannot process the request due to a client error. - FIX: Verify request data and format.
- The request lacks valid authentication credentials. - FIX: Determine the authentication method required by the server.
- The server refuses to fulfill the request, possibly due to insufficient permissions. - FIX: Adjust permissions or access control.
- Precondition Failed. - FIX: Meet preconditions.
- Request Entity Too Large. - FIX: Reduce request size.
- URI Too Long. - FIX: Shorten URI.
- Unsupported Media Type. - FIX: Provide supported media type.
- The server encountered an unexpected condition that prevented it from fulfilling the request. - FIX: Debug and resolve server-side issues.
- The server does not support the functionality required to fulfill the request. - FIX: Implement required functionality.
- The server, while acting as a gateway or proxy, received an invalid response from an inbound server it accessed while attempting to fulfill the request. - FIX: Troubleshoot upstream server or network issues.
- The server is currently unable to handle the request due to temporary overloading or maintenance of the server. - FIX: Address server overload or maintenance.
- The server, while acting as a gateway or proxy, did not receive a timely response from an upstream server it accessed. - FIX: Optimize upstream server performance.
- The server does not support the HTTP protocol version used in the request. - FIX: Use supported HTTP version.
- Transparent content negotiation for the request results in a circular reference. - FIX: Resolve content negotiation issue
- The server is unable to store the representation needed to complete the request. - FIX: Allocate more storage.
- The server detected an infinite loop while processing the request. - FIX: Break loop.
- Further extensions to the request are required for the server to fulfill it. - FIX: Extend request.
- The request has succeeded. - No fix needed.
- The request has been fulfilled and resulted in a new resource being created. - No fix needed.
- The request has been accepted for processing, but the processing has not been completed. - No fix needed.
- The server successfully processed the request, but is returning information from another source. - No fix needed.
- The server successfully processed the request, but there is no content to return. - No fix needed.
- The server successfully processed the request, but requires the requester to reset the document view. - No fix needed.
- The server is delivering only part of the resource due to a range header sent by the client.** - No fix needed
- The requested resource has multiple choices and the user agent can select one. - FIX: Select one choice.
- The requested resource has been permanently moved to a new location. - FIX: Update URL.
- The requested resource resides temporarily under a different URL. - FIX: Redirect to temporary location.
- The response to the request can be found under a different URL and should be retrieved using a GET method. - FIX: Retrieve resource from new location.
- Indicates that the resource has not been modified since the version specified by the request headers If-Modified-Since or If-None-Match.** - FIX: Cache resource
- The requested resource must be accessed through the proxy given by the Location field.** - FIX: Access resource through proxy
- Unauthorized: Logon failed. - FIX: Verify user credentials and server configuration.
- Unauthorized: Logon failed due to server configuration. - FIX: Review server configuration.
- Unauthorized due to ACL on resource. - FIX: Adjust resource permissions.
- Authorization failed by filter. - FIX: Adjust authorization filters.
- Authorization failed by ISAPI/CGI application. - FIX: Review application configuration.
- Access denied by URL authorization policy on the Web server. - FIX: Adjust URL authorization policies.
- Execute access forbidden. - FIX: Adjust execution permissions.
- Read access forbidden. - FIX: Adjust read permissions.
- Write access forbidden. - FIX: Adjust write permissions.
- SSL required. - FIX: Enable SSL.
- SSL 128 required. - FIX: Enable SSL 128.
- IP address rejected. - FIX: Whitelist IP addresses.
- Client certificate required. - FIX: Provide client certificate.
- Site access denied. - FIX: Adjust site access permissions.
- Too many users. - FIX: Increase server capacity.
- Invalid configuration. - FIX: Review server configuration.
- Site Not Found. - FIX: Verify site existence and URL.
- ISAPI or CGI restriction. - FIX: Adjust ISAPI/CGI restrictions.
- MIME type restriction. - FIX: Adjust MIME type settings.
- No handler configured. - FIX: Configure handler.
- Denied by request filtering configuration. - FIX: Adjust request filtering settings.
- Verb denied. - FIX: Adjust verb permissions.
- File extension denied. - FIX: Adjust file extension permissions.
- Hidden namespace. - FIX: Verify namespace existence.