Server Error in '/' Application.

A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 191.238.72.152:443

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.Sockets.SocketException: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 191.238.72.152:443

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[SocketException (0x274c): A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 191.238.72.152:443]
   System.Net.Sockets.Socket.InternalEndConnect(IAsyncResult asyncResult) +8005068
   System.Net.Sockets.Socket.EndConnect(IAsyncResult asyncResult) +95
   System.Net.ServicePoint.ConnectSocketInternal(Boolean connectFailure, Socket s4, Socket s6, Socket& socket, IPAddress& address, ConnectSocketState state, IAsyncResult asyncResult, Exception& exception) +336

[WebException: Unable to connect to the remote server]
   System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult) +762
   System.Net.Http.HttpClientHandler.GetResponseCallback(IAsyncResult ar) +81

[HttpRequestException: An error occurred while sending the request.]
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +32
   Microsoft.Rest.<SendAsync>d__3.MoveNext() +468
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +32
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +62
   Microsoft.Rest.<<SendAsync>b__0>d.MoveNext() +365
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +32
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +62
   Microsoft.Rest.<SendAsync>d__15.MoveNext() +530
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +32
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +62
   Microsoft.Azure.KeyVault.<ProcessHttpRequestAsync>d__13.MoveNext() +999
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +32
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +62
   Microsoft.Azure.KeyVault.<GetSecretWithHttpMessagesAsync>d__66.MoveNext() +2840
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +32
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +62
   Microsoft.Azure.KeyVault.<GetSecretAsync>d__12.MoveNext() +568
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +32
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +62
   Ebit.Common.KeyVault.KeyVault.GetVaultValue(String secretName) +201
   Ebit.Survey.Web.Helpers.RegisterWebConfig.RegisterStringConnections() in C:\Users\toal2001\source\repos\survey\Ebit.Survey.Web\Helpers\RegisterWebConfig.cs:15
   Ebit.Survey.Web.MvcApplication.Application_Start() in C:\Users\toal2001\source\repos\survey\Ebit.Survey.Web\Global.asax.cs:26

[HttpException (0x80004005): An error occurred while sending the request.]
   System.Web.HttpApplicationFactory.EnsureAppStartCalledForIntegratedMode(HttpContext context, HttpApplication app) +546
   System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +171
   System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +173
   System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +255
   System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +347

[HttpException (0x80004005): An error occurred while sending the request.]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +552
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +122
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +737


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0