The summary sidebar on the right section of the Overview tab displays the most important information of your SQL Server instances and jobs.

On this sidebar you can see the number of:

• Instances that are:
  • Up - Both SQL Server instance and SQL Server Agent service are running and can be contacted.
  • Down - Either the SQL Server instance or the SQL Server Agent is not running or cannot be contacted.
  • Critical - SQL Server instances with Critical alerts.
• Failed Jobs - click this option and the Job History tab opens where you can see all your job events filtered by Failed status. 
• Disabled Jobs - click this option and the Job History tab opens where you can see all your job events filtered by Failed status. 
• Failed Tasks - click this option and the Tasks view opens where you can see all your tasks filtered by Disabled status. 
• Disabled Tasks  - click this option and the Tasks view opens where you can see all your tasks filtered by Disabled status. 
• Failed Job Chains - click this option and the Job Chains view opens where you can see all your job chains filtered by Failed Job Chain Outcome. 
• Disabled Job Chains - click this option and the Job Chains view opens where you can see all your job chains filtered by Failed Job Chain Outcome. 
• Instances Not Contacted - click this option and SQL Enterprise Job Manager opens the Instances tab with all SQL Server instances that have the following status: Unknown, Connection Failure, Authentication Failure, and Error. 
• Agents Not Running - click this option and SQL Enterprise Job Manager opens the Instances tab filtering all SQL Server instances by Stopped and Unknown status.
• Managed Instances - click this option and the Instances tab opens where you can see all your monitored SQL Server instances. 
• Monitored Jobs - click this option and SQL Enterprise Job Manager opens the Jobs tab where you can view all your monitored jobs in your environment.
• Monitored Tasks - click this option and SQL Enterprise Job Manager opens the Tasks view where you can view all your monitored tasks in your environment.
• Monitored Job Chains - click this option and SQL Enterprise Job Manager opens the Job Chains view where you can view all your monitored job chains in your environment.  
• Alerts - displays the number of active alerts in your environment.