In this post, you’ll learn more about the Error FVE_E_MULTIPLE_NKP_CERTS – 0x8031009D that is returned when working with the COM-based APIs in Win32
Win32 COM Error
FVE_E_MULTIPLE_NKP_CERTS – 0x8031009D
Win32 COM Error Error Description
More than one Network Key Protector certificate has been found on the system.