WindowsAuthentication on Owin self hosted

[ravenurse]

Hello, first of all I want to say that I have just discovered your project but I already love it.
I am setting up an IdentityServer that will use Active Directory as users store.
I have already implemented my IUserService and by supplying login and password I can get the Identity as expected.
Now I wanted to skip the login view whenever the client offers windows authentication.
So I have added the package IdentityServer.WindowsAuthentication and followed the examples to make it work.
When I click on the link "application permissions" ( https://localhost:44333/permissions ) everything seems to be fine till the point that the browser shows a blank page of death (HTTP 401) and the logs shows what's attached
log-extract.txt

Any ideas?
Perhaps I forgot something, sorry if the question is stupid.

Thank you!

[leastprivilege]

Have you enabled Windows authentication on the host?

https://github.com/IdentityServer/WindowsAuthentication/blob/master/source/SelfHost/WindowsAuthenticationExtensions.cs#L8

[ravenurse]

Hi Dominick and thank you very much!
Of course you solved my problem.
I was wrongly using
AuthenticationSchemes.IntegratedWindowsAuthentication
instead of
AuthenticationSchemes.Negotiate

Again, many thanks and kudos to you guys