The Business Application Health (%) should decrease when its child objects are in a degraded state.
However, The Business Application Health remains at 100% regardless of underlying object conditions.
Business Application UI path (Operations > Configurations > Logical Groupings > Business Applications)
VMware Aria Operations 8.18.x
There were no active alerts for the object with underlying conditions.
Creating a custom alert to trigger for the underlying conditions will resolve the issue.
The Business Application health score will only change if there is an active alert under the object monitored by it.
The overall score for the health budge is explained under Badge Metrics and System Metrics.
For more information about Business Application, see the Configuring Business Applications.