Looking for logging into the Owin Oauth2 site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Owin Oauth2 site. After that you can login as usual with your login credentials.
https://docs.microsoft.com/de-de/aspnet/aspnet/overview/owin-and-katana/owin-oauth-20-authorization-server
https://stackoverflow.com/questions/25498090/what-is-the-relationship-between-owin-and-oauth2-0
https://www.jerriepelser.com/blog/authenticate-oauth-aspnet-core-2/
https://world.episerver.com/blogs/rejaie-johnson/dates/2017/5/oauth-2-0--owin--web-api/
https://blog.jayway.com/2014/09/25/securing-asp-net-web-api-endpoints-using-owin-oauth-2-0-and-claims/
https://github.com/aspnet/Docs/blob/master/aspnet/aspnet/overview/owin-and-katana/owin-oauth-20-authorization-server.md
https://www.codeproject.com/Articles/1263539/OWIN-OAuth2-Authentication-for-Facebook-and-Google
https://identityserver.github.io/Documentation/docsv2/overview/simplestOAuth.html
http://bitoftech.net/2014/06/01/token-based-authentication-asp-net-web-api-2-owin-asp-net-identity/
https://developer.okta.com/blog/2018/03/23/token-authentication-aspnetcore-complete-guide
https://www.c-sharpcorner.com/article/asp-net-mvc-oauth-2-0-rest-web-api-authorization-using-database-first-approach/
https://weblog.west-wind.com/posts/2015/Apr/29/Adding-minimal-OWIN-Identity-Authentication-to-an-Existing-ASPNET-MVC-Application
https://blog.scottlogic.com/2015/11/19/oauth2-with-saml2.html