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STATUS_TPM_NOTFIPS
STATUS_TPM_NOTFIPS is a Windows NTSTATUS value in the TPM facility. For STATUS_TPM_NOTFIPS, it belongs to the TPM 1.2 error family and is normally surfaced through the Windows TPM stack, such as TPM Base Services, rather than by ordinary file, registry or network APIs.
Some TPM 1.2 command paths are defined for operation only when the TPM is in a FIPS-compatible mode. This status indicates a policy mismatch between the command selected by software and the mode exposed by the TPM.
It should be investigated as a capability and platform-policy issue. Changing a key password or PCR selection will not make a FIPS-only command valid on a TPM that does not report the required mode.
Diagnostic focus
- Query TPM capabilities and platform policy before selecting the command path.
- Record whether the application is enforcing FIPS requirements above the TPM layer.
- If a fallback command exists, ensure it does not silently weaken a security policy that required FIPS mode.
References for STATUS_TPM_NOTFIPS
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