private static void InitializeApplication() { var appFactoryType = Type.GetType("System.Web.HttpApplicationFactory, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"); var appFactory = ReflectionHelper.GetStaticFieldValue<object>("_theApplicationFactory", appFactoryType); ReflectionHelper.SetPrivateInstanceFieldValue("_state", appFactory, HttpContext.Current.Application); }