In this post, you’ll learn more about the Error FVE_E_POLICY_PASSWORD_REQUIRED – 0x8031002C that is returned when working with the COM-based APIs in Win32
Win32 COM Error
FVE_E_POLICY_PASSWORD_REQUIRED – 0x8031002C
Win32 COM Error Error Description
Group Policy settings require that a recovery password be specified before encrypting the drive.