Hi, Amabari stoped working after I restarted sandbox. It was working fine earlier. [root@sandbox ~]# service ambari-server status Using python /usr/bin/python2.6 Ambari-server status Ambari Server not running. Stale PID File at: /var/run/ambari-server/ambari-server.pid [root@sandbox ~]# [root@sandbox ~]# service ambari-server start Using python /usr/bin/python2.6 Starting ambari-server Ambari Server running with administrator privileges. Organizing resource files at /var/lib/ambari-server/resources... Server PID at: /var/run/ambari-server/ambari-server.pid Server out at: /var/log/ambari-server/ambari-server.out Server log at: /var/log/ambari-server/ambari-server.log Waiting for server start.................... ERROR: Exiting with exit code -1. REASON: Ambari Server java process died with exitcode 1. Check /var/log/ambari-server/ambari-server.out for more information. Below error is from ambari-server.out Caused by: java.lang.RuntimeException: java.sql.SQLException: Access denied for user 'ambari'@'sandbox.hortonworks.com' (using password: YES) ... View more