An engineer removes a VMM domain from an endpoint group called EPG-1, but the distributed port group fails to be deleted. Which action must be taken to resolve the issue?
A. Remove the port group manually.
B. Migrate all virtual machines in the EPG-1 to different hypervisors.
C. Remove the remaining EPGs from the VMM domain.
D. Migrate all virtual machines in the EPG-1 to different port groups.
