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TBSIMP_E_TPM_ERROR
The state machine behind the code
TBSIMP_E_TPM_ERROR means the TBS implementation encountered a lower-level failure while communicating with or interpreting the TPM.
The first producer to identify is the TBS client library, local RPC service and command scheduler before or around device execution. TBS centralizes TPM access through a local RPC service. A failure can therefore occur in the caller contract, RPC/service startup, scheduling, buffer handling or TPM submission, and each layer requires different evidence.
Read this result as its own boundary in a sequence, not as a verdict that every TPM feature is broken. The sequence reaches the TBS implementation encountered a lower-level failure while communicating with or interpreting the TPM, and the component returns 0x80290204 before the application can safely assume that later key, attestation, boot or licensing work occurred.
Evidence table
- Request identity: exact function or command, input lengths, flags, caller context and this result.
- State identity: the nested TPM or driver status, command bytes, response header, TBS event log, device state, firmware revision, and power-transition context.
- Platform identity: TPM generation, manufacturer/firmware revision, Windows build and relevant service events.
- Binary identity: preserve opaque structures byte-for-byte and log
0x80290204in hexadecimal.
Reproduction plan
Run a small capability command through a fresh context and preserve both the public and nested status.
| Observed outcome | Interpretation |
|---|---|
| The exact request succeeds | The changed condition belongs to the rejected the TBS implementation encountered a lower-level failure while communicating with or interpreting the TPM. |
| A more specific earlier code appears | Preserve the earlier result in the diagnostic trace; the previous trace probably lost the first producer. |
| The same code returns with identical bytes | Escalate the persistent it with firmware, service and command evidence rather than broad configuration changes. |
| The code disappears only after destructive reset | The result experiment is not diagnostic because original protected state and evidence were removed. |
Contrast with neighboring results
| Nearby constant | Why it is different |
|---|---|
TBSIMP_E_INVALID_OUTPUT_POINTER | The pointer to the returned handle location was NULL or invalid. |
TBSIMP_E_CLEANUP_FAILED | The context could not be cleaned up. |
TBSIMP_E_INVALID_PARAMETER | One or more parameters is invalid. |
By contrast, TPM_E_IOERROR is a specific TPM communication mapping; this code is an internal TBS wrapper.
Confirming remediation
Apply the narrow remedy: diagnose the inner TPM or transport result and update firmware or Windows components as evidence dictates. Do not restart or disable TBS before capturing its service and event data. Most caller-contract errors are reproducible without touching TPM ownership, firmware state or stored keys.
References
- Microsoft: About TPM Base Services — source for this result.
- Microsoft: TBS return codes — source for this result.
- Microsoft: Tbsi_Context_Create — source for this result.
- Microsoft: Tbsip_Submit_Command — source for this result.
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