public static void RegisterAuth() { // To let users of this site log in using their accounts from other sites such as Microsoft, Facebook, and Twitter, // you must update this site. For more information visit http://go.microsoft.com/fwlink/?LinkID=252166 string consumerKey = ConfigurationManager.AppSettings["LinkedInConsumerKey"]; string consumerSecret = ConfigurationManager.AppSettings["LinkedInConsumerSecret"]; LinkedInOAuthClient linkedInOAuthClient = new LinkedInOAuthClient(new CookieAccessTokenStorage(consumerSecret), new DotNetOpenAuthWebConsumer(ServiceDescriptions.Authenticate, new InMemoryOAuthTokenManager(consumerKey, consumerSecret))); ShouldReallyBeAnIocContainerAndDontUseServiceLocators.LinkedInService = linkedInOAuthClient; OAuthWebSecurity.RegisterClient(linkedInOAuthClient, "LinkedIn", null); }