摘要： 当您尝试调用 Web 服务应用程序并且匿名访问身份验证处于关闭状态时，可能会收到以下错误信息。 The request failed with HTTP status 401:Access Denied. Description:An unhandled exception occurred during the execution of the current Web request.Please review the stack trace for more information about the error and where it originated in the code. Exception Details:System.Net.WebException:The request failed with HTTP status 401:Access Denied. 阅读全文