In this post, you’ll learn more about the Error FVE_E_CANNOT_ENCRYPT_NO_KEY – 0x8031002E that is returned when working with the COM-based APIs in Win32
Win32 COM Error
FVE_E_CANNOT_ENCRYPT_NO_KEY – 0x8031002E
Win32 COM Error Error Description
BitLocker Drive Encryption cannot encrypt the specified drive because an encryption key is not available. Add a key protector to encrypt this drive.