What does HRESULT 0x80280057 (TPM_E_DAA_WRONG_W) mean?

TPM_E_DAA_WRONG_W

TPM_E_DAA_WRONG_W: diagnose the owning boundary

TPM_E_DAA_WRONG_W (0x80280057) is documented as The consistency check on w has failed. Treat that wording as the specific TPM 1.2 DAA transcript value w boundary; it is more useful than a generic “component failed” label.

Evidence that matters

Preserve the encoded w value, DAA stage, issuer parameters and prior TPM output. Recompute and compare the canonical value; do not mix values from separate DAA attempts.

Interpretation and verification

Keep the affected object and caller identity stable while changing only the rejected prerequisite. The correction is proven when the original operation crosses this boundary with the intended state or output. If a different HRESULT appears afterward, preserve it as a separate later-stage result rather than folding it back into TPM_E_DAA_WRONG_W.

Technical references

• TPM 1.2 Main Specification.
• Microsoft TPM overview.