In this post, you’ll learn more about the Error TPM_20_E_OBJECT_HANDLES – 0x80280906 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
TPM_20_E_OBJECT_HANDLES – 0x80280906
Win32 COM Error Error Description
TPM 2.0: Out of object handles – the handle space for objects is depleted and a reboot is required.