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TPM_E_DAA_TPM_SETTINGS
Read the result in context
TPM_E_DAA_TPM_SETTINGS (0x80280054) belongs to TPM 1.2 Direct Anonymous Attestation. The base What Is page already shows the short Windows message; the additional diagnostic value is that this result marks the TPM-specific DAA state does not match the submitted stage or issuer context.
The first producer to identify for this HRESULT is the staged DAA enrollment or signing state machine. Direct Anonymous Attestation in TPM 1.2 is a multi-stage protocol. Each stage consumes issuer data, TPM-specific state and outputs from earlier stages, so the first inconsistent transcript element is more useful than the final generic application failure.
Fields worth decoding
| Question | Evidence for this HRESULT |
|---|---|
| What exact state was rejected? | the TPM-specific DAA state does not match the submitted stage or issuer context |
| Which layer owns the result? | The staged DAA enrollment or signing state machine. |
| What must be correlated? | DAA_tpmSpecific data, TPM identity, issuer settings digest, current stage, prior TPM outputs, and whether state crossed a reset or migration |
| What is the controlled comparison? | restart the DAA flow on the same TPM with newly generated TPM-specific state |
A useful this result trace links three code-specific timelines: the application call, the local TBS/provider or firmware event, and the raw command/response exchange. The result timestamps should describe one attempt; combining data from separate retries is particularly misleading for authorization sessions, context counters, DAA stages and lockout state.
Controlled comparison
The one-variable check is to restart the DAA flow on the same TPM with newly generated TPM-specific state. Record the before/after state that the result command is allowed to change. If the operation can have side effects, use a disposable key, session, counter or NV index rather than production material.
- Capture this result and
0x80280054at the first code-specific return boundary. - Decode the result state: DAA stage, issuer and TPM-specific structures, previous outputs, nonces and exact transcript bytes.
- Run the result controlled comparison once and preserve both binary transcripts.
- Verify the expected this result output or state transition instead of relying on absence of a UI message.
Adjacent failure boundaries
| Comparison code | Built-in distinction |
|---|---|
TPM_E_DAA_STAGE | The atomic process indicated by the submitted DAA command is not the expected process — a separate checkpoint when compared with it. |
TPM_E_DAA_ISSUER_SETTINGS | The consistency check on DAA_issuerSettings has failed — a separate checkpoint when compared with it. |
TPM_E_DAA_ISSUER_VALIDITY | The issuer's validity check has detected an inconsistency — a separate checkpoint when compared with it. |
It specifically answers whether the TPM-specific DAA state does not match the submitted stage or issuer context. In contrast, TPM_E_DAA_ISSUER_SETTINGS concerns issuer-side parameters, not the TPM-specific portion.
Repair without destroying evidence
To remediate it, keep TPM-specific DAA data bound to the originating TPM and transcript; discard it after clear, replacement, or incompatible provisioning. Do not mix values from separate DAA attempts. The protocol is staged and transcript-bound; substituting one issuer value or nonce can make every later stage misleading.
After correcting it, start with a fresh caller context where the protocol requires one, replay the original intended operation, and confirm that hardware-backed policy remains enforced.
Authoritative references
- TCG: TPM 1.2 Main Specification — source for the checkpoint.
- TCG: TPM 1.2 Part 2 — DAA structures — source for the checkpoint.
- TCG: TPM 1.2 Part 3 — DAA commands — source for the checkpoint.
- Microsoft: TPM technology overview — source for the checkpoint.
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