In this post, you’ll learn more about the Error TPM_E_DEFEND_LOCK_RUNNING – 0x80280803 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
TPM_E_DEFEND_LOCK_RUNNING – 0x80280803
Win32 COM Error Error Description
The TPM is defending against dictionary attacks and is in a time-out period.