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TPMAPI_E_TPM_COMMAND_ERROR
TPMAPI_E_TPM_COMMAND_ERROR is a Windows TPM API result. It indicates that the TPM itself returned a result the API did not expect for the submitted command.
What to check for TPMAPI_E_TPM_COMMAND_ERROR
- Capture the command context and any raw TPM or TBS status available from the caller.
- Check TPM provisioning, ownership, firmware state, and policy requirements for the requested command.
- Avoid treating this as a generic success retry; the same command may fail until its preconditions change.
Microsoft documentation for TPMAPI error codes
Diagnostic interpretation
This result has the HRESULT value 0x8029010C. AllStat records the condition as “The TPM returned an unexpected result.”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the tpmapi / tpm / command operation.
- Reproduce this result with the smallest valid input and note whether the result changes with identity, architecture, service state, or target object.
Retry and recovery
” has changed.
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