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STATUS_RTPM_PCR_READ_INCOMPLETE
Remote TPM PCR read is incomplete
STATUS_RTPM_PCR_READ_INCOMPLETE is specific to PCR retrieval. PCRs are TPM registers used to represent measured platform state, and modern TPM commands select PCR banks and indexes explicitly.
The status points at selection mismatch: the requested PCR bank, hash algorithm, or index set may not be supported by the remote target. Retrying the same selection usually fails again; the caller should enumerate or choose a compatible selection.
Diagnostic focus
- Record the requested hash algorithm, PCR bank, and PCR indexes.
- Retry with a smaller or supported selection set rather than with the identical request.
- Compare the target TPM capabilities with the PCR banks assumed by the caller.
References
- Microsoft: TPM Base Services
- Microsoft: CNG key storage providers
- TCG: TPM 2.0 Library specification
- Microsoft: NTSTATUS values
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