我正在尝试将控制台应用程序作为使用EWS与Outlook Exchange Online通信的Windows服务运行。此应用程序具有OAuth身份验证，并且已在Azure门户上注册该应用程序的AppID。我能够生成访问令牌并成功与Exchange Online通信。但是，当从远程服务器运行时，它发出请求超时错误。向终结点发送的获取访问令牌的请求超时。
你能帮我解决这个问题吗？我无法识别问题。在访问代码下面：

var cca = ConfidentialClientApplicationBuilder
                .Create(ConfigurationSettings.AppSettings["appId"])
                .WithClientSecret(ConfigurationSettings.AppSettings["clientSecret"])
                .WithTenantId(ConfigurationSettings.AppSettings["tenantId"])
                .Build();
var ewsScopes = new string[] { ConfigurationSettings.AppSettings["EWSScope"] };  
var accessTokenRequest = cca.AcquireTokenForClient(ewsScopes);
var accessToken = accessTokenRequest.ExecuteAsync().Result.AccessToken;

低于错误
System.AggregateException: One or more errors occurred. ---> Microsoft.Identity.Client.MsalServiceException: Request to the endpoint timed out. ---> System.Threading.Tasks.TaskCanceledException: A task was canceled. at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.Identity.Client.Http.HttpManager.<ExecuteAsync>d__14.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.Identity.Client.Http.HttpManager.<ExecuteWithRetryAsync>d__12.MoveNext() --- End of inner exception stack trace --- at Microsoft.Identity.Client.Internal.Requests.RequestBase.<HandleTokenRefreshErrorAsync>d__27.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.Identity.Client.Internal.Requests.ClientCredentialRequest.<ExecuteAsync>d__2.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.Identity.Client.Internal.Requests.RequestBase.<RunAsync>d__12.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.Identity.Client.ApiConfig.Executors.ConfidentialClientExecutor.<ExecuteAsync>d__3.MoveNext() --- End of inner exception stack trace ---