The "vCenter Appliance Availability" Dashboard is not auto-populating the "Service in Selected vCenter" widget when the object name is selected in the "vCenter Appliance" widget.
Aria Operations 8.18.x
If the vCenter adapter instance is using the local administrator as credentials, please check if the vCenter Service Lifecycle Manager API service is running as this is a requirement for this dashboard to work.
To start the vCenter Service Lifecycle Manager API service:
Refer to Permissions Required to Discover vCenter Services if you are not using the local vCenter administrator account for your vCenter adapter user.
Refer to Monitoring vCenter Services for more information on monitoring vCenter services.