Win32 COM Error – TPM_E_PCP_RAW_POLICY_NOT_SUPPORTED – 0x80290421

In this post, you’ll learn more about the Error TPM_E_PCP_RAW_POLICY_NOT_SUPPORTED – 0x80290421 that is returned when working with the COM-based APIs in Win32

Win32 COM Error

TPM_E_PCP_RAW_POLICY_NOT_SUPPORTED – 0x80290421

Win32 COM Error Error Description

This key has a raw policy so the KSP can’t authenticate against it.

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