HttpClient, UseDefaultCredentials, Windows Authentication, .NET Core 2.0+ console application receives 401 Unauthorized

Question

I am trying to make an HTTP GET call from a .NET Core 3.0 console application. The endpoint expects Windows Authentication. The endpoint is an in-production .NET Framework 4.5.2

Answer 1

This workaround works for me add this before creating HttpClient / Handler:

AppContext.SetSwitch("System.Net.Http.UseSocketsHttpHandler", false);