In this post, you’ll learn more about the Error TPM_E_BAD_MODE – 0x8028002C that is returned when working with the COM-based APIs in Win32
Win32 COM Error
TPM_E_BAD_MODE – 0x8028002C
Win32 COM Error Error Description
A mode parameter is bad, such as capArea or subCapArea for TPM_GetCapability, phsicalPresence parameter for TPM_PhysicalPresence, or migrationType for TPM_CreateMigrationBlob.