The overview page gives you a quick summary of the overall health status of your network. You can see the following information:
Summary
Shows from which time period event log records are available in the database
Heartbeat Status: Warnings and Errors
Shows all computers that are currently in a WARNING or ERROR state
Heartbeat History
Shows the last 5 heartbeat status changes from the database
Most Recent Events
Shows the 3 most recent errors, warnings and audit failures
Recent Event Comments
Shows the 5 most recent event log comments