Enabling the Encryption License Key feature
Procedure
Enable the software license key for the Encryption License Key feature. For instructions, see the Provisioning Guide for your storage system.
If the Encryption License Key software license expires or is missing, you cannot delete the encryption key.
Assign the Security Administrator (View & Modify) role to the user who will be enabling or disabling data encryption and back up or restoring keys.
For details about assigning roles, see the Provisioning Guide for your storage system.