C# service cannot connect to web service after server upgrade
I am using HttpClient.PostAsync to call a REST web service (Unified Endpoint Management, but I doubt that is relevant) on a remote (internal LAN) server. The call is throwing an exception as follows: 10/15/2020 5:05:25 AM An error occurred while sending the request. 10/15/2020 5:05:25 AM at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() 10/15/2020 5:05:25 … Read more