This error is reported for Overview, volumes,system info, images and snapshots work spaces. The issue doesn't seems to be only dashboard because when I try to create volume from command line ( cinder create) ERROR: Unauthorized is reported there as well & even cinder list command reports ERROR: Unauthorized . Here is a pastebin link for the stack trace shown in httpd log http://pastebin.com/EjEB6vQE

Cinder api log has following error 2013-10-14 05:56:30 WARNING [keystoneclient.middleware.auth_token] Unexpected response from keystone service: {u'error': {u'message': u'The request you have made requires authentication.', u'code': 401, u'title': u'Not Authorized'}}

This all points toward an issue with the Cinder (Block Storage) configuration, double check that your configuration files in /etc/cinder/ are correct. Especially auth_strategy and the [keystone_authtoken] section in cinder.conf, and the [filter:authtoken] section in api-paste.ini

I have checked ....here are the files http://pastebin.com/uah7JMAB Do you see any issues with this configuration?

I'm less familiar with Cinder. What I would check: do you actually have a user called 'cinder' , with password 'cinder', that is a member of a tenant/project called 'service'? If not, create it using e.g. the Admin dashboard and Users/Projects. If it still doesn't work, I would also change in the...