In this post, you’ll learn more about the Error FVE_E_PROTECTION_DISABLED – 0x80310021 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
FVE_E_PROTECTION_DISABLED – 0x80310021
Win32 COM Error Error Description
BitLocker Drive Encryption has been suspended on this drive. All BitLocker key protectors configured for this drive are effectively disabled, and the drive will be automatically unlocked using an unencrypted (clear) key.