Cisco ACS: Reports database is currently unavailable

The monitoring and reports database is currently unavailable. Attempting to reconnect in 5 seconds.

When you click the Launch Monitoring and Report Viewer from ACS 5.x, this error message is received:

The monitoring and reports database is currently unavailable. Attempting to reconnect in 5 seconds. If problem persist, please contact your ACS administrator.

Solution

Perform one of these workarounds in order to resolve this issue:

• Restart the ACS services from CLI by issuing these commands:
  

  application stop acs
  application start acs
  
  show application status acs

  ACS role: PRIMARY
  
  Process 'database'                  running
  Process 'management'                initializing
  Process 'runtime'                   running
  Process 'adclient'                  Execution failed
  Process 'view-database'             Restarting
  Process 'view-jobmanager'           not monitored
  Process 'view-alertmanager'         running
  Process 'view-collector'            running
  Process 'view-logprocessor'         Restarting

• Upgrade to the latest available patch. Refer to Applying Upgrade Patches for more information about this.show application status acs

Source: http://www.cisco.com/en/US/products/ps9911/products_tech_note09186a0080bb8100.shtml#p5