The new com.sun.identity.am.cookie.check property in the AMConfig.properties file indicates whether the server should check for the cookie support / cookie enabled in the browser. A value of true causes the server to check for the cookie support / cookie enabled in the browser and to throw an error page if the browser does not support or has not enabled cookies. This value should be set to false (which is the default) if the server is expected to support cookie-less mode for authentication functionality.