Mballo, Please check if these are correct 1. configuration file of dashbaord 2. keystone endpoint configuration Also check the apache error logfile and keystone log file as well. ________________________________________ From: openstack-bounces+atul.jha=csscorp.com at lists.launchpad.net [openstack-bounces+atul.jha=csscorp.com at lists.launchpad.net] on behalf of Mballo Cherif [Cherif.Mballo at gemalto.com] Sent: Thursday, February 28, 2013 6:01 PM To: openstack at lists.launchpad.net Subject: [Openstack] keystone/horizon/dashboard Hello everybody ! I need help, when i try to authenticate with the dashboard I have this “An error occurred authenticating. Please try again later.” What is wrong with keystone or horizon? How can I fix this issue? Thanks you for your help! Sherif. http://www.csscorp.com/common/email-disclaimer.php