Once the packages are restored, include Identity in the ConfigureServices and Configure methods of the Startup class, as shown in the following piece of code:
public void ConfigureServices(IServiceCollection services) { services.AddTransient<IdentityDbSeeder>(); services.AddDbContext<IdentityDbContext>(options => options.UseSqlServer(Configuration.GetConnectionString("BudgetConnStr"), sqlopt => sqlopt.MigrationsAssembly("BudegetIdentityDemo"))); services.AddIdentity<IdentityUser, IdentityRole>() .AddEntityFrameworkStores<IdentityDbContext>(); // Add framework services. services.AddMvc(); } public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory, IdentityDbSeeder identitySeeder) ...