Authentication failed

Question

i am trying ajax call in Asp.net vn code getting this erroe ERROR: {"Message":"Authentication failed.","StackTrace":null,"ExceptionType":"System.InvalidOperationException"} why?

Sangeetha S · Answer

add it in web config changes url present in ajax call from : url: "login.aspx/login", To : url: ' ',

Eliana Blake · Answer

It seems like you are encountering an "Authentication failed" error message while attempting an AJAX call in your ASP.NET application. This error typically indicates that the authentication process for the call has not been successful. There are several reasons why you might be seeing this error: 1. Invalid Credentials : The credentials you are using in your AJAX call might be incorrect or not properly configured to authenticate the request. 2. Missing Authentication Token : Your AJAX request might be missing the necessary authentication token or header that the server expects for authentication. 3. Expired Session : If your authentication mechanism involves session tokens, the session might have expired, leading to an authentication failure. 4. Incorrect Configuration : There could be a misconfiguration in your ASP.NET application regarding authentication settings, such as incorrect authentication modes or missing authorization rules. 5. Permissions Issue : The user making the AJAX call may not have the appropriate permissions to access the resource being requested, leading to an authentication failure. To troubleshoot and resolve this issue: - Ensure that the credentials used in the AJAX call are correct and have the necessary permissions. - Double-check that you are including the required authentication token or header in your AJAX request. - Verify that the authentication configuration in your ASP.NET application is accurate and up to date. - Check if there are any specific authorization rules or restrictions in place that could be causing the authentication failure. By investigating these aspects and addressing any potential issues, you should be able to resolve the "Authentication failed" error in your ASP.NET AJAX calls. If you need further assistance or more specific guidance, feel free to provide additional details or code snippets for a more targeted solution.