Hello,
I hope all is well.
I would suggest updating the Onboard Administrator firmware with the latest ( if Onboard Administrator is running 2.10 firmware) and follow the below link.
HPE ProLiant Server Blades - Compatibility with HPE BladeSystem c7000 and c3000 Enclosures and Firmware
https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=mmr_sf-EN_US000050596
If you feel this was helpful please click the KUDOS! thumb below!
Regards,