In this post, you’ll learn more about the Error TBSIMP_E_NOT_ENOUGH_TPM_CONTEXTS – 0x80290210 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
TBSIMP_E_NOT_ENOUGH_TPM_CONTEXTS – 0x80290210
Win32 COM Error Error Description
There are too many TPM contexts in use.