The task to cancel the migration was done using the Legacy HCX UI.
From the HCX Manager UI, the task shows as "Cancelling Migration":
Using the "Force Cleanup" does not change the status from "Cancelling Migration".
Environment
VMware HCX 4.11
Resolution
This is a known issue impacting VMware HCX 4.11.
Workaround:
Select the affected VM, and click on the Force Cleanup, for more information: Force Cleanup for a Failed or Canceled Migration Note: The migration will remain in the “Canceling Migration” state in the legacy HCX migration UI; however, the force cleanup is required to clean up the backend state. This will allow the migration to be triggered again from the new UI.
Trigger the migration using the new UI (by switching to "New Display"). Note: After applying the workaround described, the VM status will still show as "Canceling Migration" however, it will allow this VM to be migrated again.