Using ASP.Net Core, the sample didn't work, with SigninManager

I am using the IdentityCore like following:

services.AddIdentityCore<ApplicationUser>()
                .AddUserStore()
                .AddSignInManager()
                .AddDefaultTokenProviders();

When I use the following code with it:

           services
                .AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
                .AddCookie(CookieAuthenticationDefaults.AuthenticationScheme);

            services.AddSingleton<IMultiTenantStore>((serviceProvider) =>
            {
                var cfg = serviceProvider.GetService<List<TenantConfiguration>>();
                return new TenantResolver(cfg.ToArray());
            });
            services.AddMultiTenant()
                .WithHostStrategy()
                .AddPerTenantCookieAuthentication();



public static MultiTenantBuilder AddPerTenantCookieAuthentication(this MultiTenantBuilder builder)
        {
            return builder.WithPerTenantOptions<CookieAuthenticationOptions>((options, tenantContext) =>
                {
                    // Set a unique cookie name for this tenant.         
                    options.Cookie.Name = tenantContext.Id + "-cookie";
                });
        }

I get the following error: InvalidOperationException: No sign-in authentication handler is registered for the scheme ‘Identity.Application’. The registered sign-in schemes are: cookies. Did you forget to call AddAuthentication().AddCookies(“Identity.Application”,…)?

Microsoft.AspNetCore.Authentication.AuthenticationService.SignInAsync(HttpContext context, string scheme, ClaimsPrincipal principal, AuthenticationProperties properties)
Microsoft.AspNetCore.Identity.SignInManager<TUser>.SignInAsync(TUser user, AuthenticationProperties authenticationProperties, string authenticationMethod)
Profile.Controllers.AccountController.Registreer(RegisterViewModel model, string returnUrl) in AccountController.cs

                        await signInManager.SignInAsync(user, isPersistent: false);

If I change the scheme to this:

services
                .AddAuthentication("Identity.Application")
                .AddCookie("Identity.Application");

I can log in. Am I configuring something wrong? I would rather not hard code this value, to this one value I can’t change.

[AndreSteenbergen]

Ok, it is is SignInManager (https://github.com/aspnet/Identity/blob/c7276ce2f76312ddd7fccad6e399da96b9f6fae1/src/Identity/SignInManager.cs#L194)

So basically if you want to use the SigninManager you will need to use scheme:

services
                .AddAuthentication(IdentityConstants.ApplicationScheme)
                .AddCookie(IdentityConstants.ApplicationScheme);

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