Operation aborted due to an unexpected error.
/opt/vmware/h4/replicator/log/replicator.log
on the Cloud Director Availability On-Premises or Cloud Replicator Appliance, you see entries similar to:2020-09-23 19:01:04.560 ERROR - [UI-<id>] [pc-task-monitor-5] c.v.h.r.monitoring.JobTaskUpdateHandler : Task <task-id> has failed.
com.vmware.vim.binding.vmodl.fault.NotEnoughLicenses: License not available to perform the operation.
...
2020-09-23 19:01:04.561 WARN - [UI-<id>] [pc-task-monitor-5] c.v.h.c.e.ExceptionConversionService : Unable to convert exception. Using fallback exception instead.
com.vmware.vim.binding.vmodl.fault.NotEnoughLicenses: License not available to perform the operation.
...
2020-09-23 19:01:04.564 ERROR - [UI-<id>] [pc-task-monitor-5] com.vmware.h4.jobengine.JobExecution : Task <task-id> (WorkflowInfo{type='setupSource', resourceType='replication', resourceId='H4-<h4-id>', isPrivate=false, resourceName='null'}) has failed
com.vmware.vdr.error.exceptions.GenericServerException: Operation aborted due to an unexpected error.
Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.
VMware vCloud Availability 3.5.x
VMware vCloud Availability 3.0.x
VMware Cloud Director Availability 4.x
This issue occurs because Cloud Director Availability relies on vSphere Replication technology to synchronize the source and destination virtual machines, which is not available for vSphere Essentials licenses.