How can I use Windows Authentication with Microsoft.Rest.ServiceClient

Question

I have a Microsoft.Rest.ServiceClient generated with autorest. And I want to access a REST API secured with Windows Authentication and Basic Authentication.

The goal is to use Windows Authentication. I tried it as follows:

var handler = new HttpClientHandler
{
    UseDefaultCredentials = true,
};
this.InitializeHttpClient(handler);

This does not work, I get:

System.Net.Http.HttpRequestException: An error occurred while sending the request. 
---> System.Net.WebException: The remote server returned an error: (401) Unauthorized. 
---> System.ComponentModel.Win32Exception: The target principal name is incorrect

When I use Basic Authentication it works.

this.Credentials = new BasicAuthenticationCredentials
{
    UserName = Configuration.User,
    Password = Configuration.Password
};

This setup of the ServiceClient is done in the constructor of

MyClient : Microsoft.Rest.ServiceClient

What do I need to add to the client to get Windows Authentication working?

Edited:

It looks like the problem is on server side. Settings in IIS.

The client would work as expected.

Answer 1

This basically reiterates what's already covered in the OP and by @Anders, in my preferred syntax...

 var windowsAuthHandler = new HttpClientHandler { UseDefaultCredentials = true };
 var webApiUri = new System.Uri("https://localhost:8080");
 var apiClient = new MyAutoRestClient(webApiUri ,windowsAuthHandler);

If you're skimming, the OP seems to indicate this doesn't work, when, indeed it does. But, as the OP later states, be sure to start with IIS to make sure it's configured right