#define FVE_E_CANNOT_SET_FVEK_ENCRYPTED _HRESULT_TYPEDEF_(0x8031002DL)
MessageId: FVE_E_CANNOT_SET_FVEK_ENCRYPTED MessageText: The drive encryption algorithm and key cannot be set on a previously encrypted drive. To encrypt this drive with BitLocker Drive Encryption, remove the previous encryption and then turn on BitLocker.