Which step should be the administrator take to fix the issue with the incorrect machine prefix?

A. Assign a new machine prefix to the reservation.

B. Select the required machine prefix in the business group settings.

C. Select the required machine prefix in the fabric group.

D. Assign a new machine prefix to the vSphere endpoint.

Reference: https://docs.vmware.com/en/vRealize-Automation/7.1/vrealize-automation-71-configuration.pdf