1821-Slot X Encryption Failure
1821–Slot X Encryption Failure – FW version for this controller does not support HP Secure Encryption. Encrypted logical drives are offline. System may not boot. Action: Upgrade the FW on this controller.
The firmware installed does not support HPE Secure Encryption.
Upgrade the firmware on this controller. For more information, see "Firmware updates" in the
HPE ProLiant Gen9 Troubleshooting Guide, Volume I
on the
Hewlett Packard Enterprise website.