You are adding a redundant Onboard Administrator (OA) to a c7000 enclosure. The main status screen of the OA and the Insight Display indicates an error. What is a possible cause of the error?
A. Authentication and authorization credentials for OA and iLO cards do not match.
B. Power Management of this enclosure is set to Not Redundant mode.
C. The OA modules have different firmware versions installed.
D. The OA modules are different models.