Asp.net Identity logout other user

Question

I'm usigin Asp.net Identity to authenticate user and I'm trying to lockout any user from admin side. But when I lockout any user who is online, It didn't logout. I have read many comments about my problem but all of them didn't work. I tried UserManager.UpdateSecurityStamp to logout user but it didn't work as well. How can I logout the user instantly when I lockout it ?

public ActionResult LockUser(string userId)
        {
            _userManager.SetLockoutEnabled(userId, true);
            _userManager.SetLockoutEndDate(userId,DateTime.Today.AddYears(999));

            var user = _userManager.FindById(userId);
            _userManager.UpdateSecurityStamp(userId);

            return RedirectToAction("UserDetail",new { userId });
        }


app.UseCookieAuthentication(new CookieAuthenticationOptions
            {
                AuthenticationMode = AuthenticationMode.Active,
                AuthenticationType = DefaultAuthenticationTypes.ApplicationCookie,
                LoginPath = new PathString("/UnAuthorize/Index"),
                Provider = new CookieAuthenticationProvider
                {

                    OnValidateIdentity = SecurityStampValidator.OnValidateIdentity<AppUserManager, User>(
                        validateInterval: TimeSpan.FromMinutes(1),
                        regenerateIdentity: (manager, user) => user.GenerateUserIdentityAsync(manager))
                }
            });

Answer 1

Most likely you are missing registration of ApplicationUserManager with OWIN. You still need to let OWIN know how to get user manager because it uses it to get a new security stamp for a user.

In you Startup.Auth.cs make sure you have this registration:

app.CreatePerOwinContext(() => DependencyResolver.Current.GetService<ApplicationUserManager>());