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You might have seen below error while doing ajax post to MVC action that validates AntiForgeryToken. ASP.net MVC ValidateAntiForgeryToken does not handle passing RVToken in ajax requests by default. ex: Below token sent in header won't be accepted at Controller level in MVC: __RequestVerificationToken = $('[name=__RequestVerificationToken]').val() I found a  better solution that works perfectly fine for all POST requests. Just implement the custom MVC Authorize attribute as shown below code:  [AttributeUsage(AttributeTargets.Class, AttributeTargets.Method)] public class MyValidateAntiForgeryToken : AuthorizeAttribute { public override void OnAuthorization( AuthorizationContext filterContext ) { var request = filterContext.HttpContext.Request; if (request.HttpMethod == WebRequestMethods.Http.Post) { if (request.IsAjaxRequest()) { var antiForgeryCookie = request.Cookies[AntiForgeryCon...