| Previous | Next |
| DB_S_GOALCHANGED | DB_S_DIALECTIGNORED |
DB_S_UNWANTEDOPERATION
OLE DB consumer declines further notifications for an operation
DB_S_UNWANTEDOPERATION is HRESULT 265932 (0x00040ECC) from Microsoft OLE DB. AllStat describes DB_S_UNWANTEDOPERATION as “Consumer does not want to receive further notification calls for this operation.” The high-order severity bit is clear, so this is a success result, but it carries more information than plain S_OK.
A notification sink successfully tells the provider that it no longer wants callbacks for the current operation.
Where this result is encountered
DB_S_UNWANTEDOPERATIONcan appear in rowset notification callbacks; record the producing interface and method rather than inferring behavior from the symbolic name alone.DB_S_UNWANTEDOPERATIONcan appear in consumer-controlled event suppression; record the producing interface and method rather than inferring behavior from the symbolic name alone.DB_S_UNWANTEDOPERATIONcan appear in providers honoring sink return codes during multi-phase operations; record the producing interface and method rather than inferring behavior from the symbolic name alone.
For DB_S_UNWANTEDOPERATION, the same numeric success value can be mishandled when a wrapper exposes only a Boolean. For DB_S_UNWANTEDOPERATION, keep the original HRESULT until the code-specific outputs and state transition have been evaluated.
Diagnostic sequence
- For
DB_S_UNWANTEDOPERATION, capture the raw HRESULT0x00040ECCimmediately after the returning method and record whether the caller usedSUCCEEDED,FAILED, equality testing, or exception translation. - Identify the exact owner of
DB_S_UNWANTEDOPERATION: interface, method, object instance, provider or filter version, thread or apartment, and operation phase. - Validate the decisive contract boundary for
DB_S_UNWANTEDOPERATION: only the intended operation is suppressed and the provider’s remaining notification contract is understood. - For
DB_S_UNWANTEDOPERATION, inspect every output parameter, count, status array, returned interface, or side effect that the method documentation associates with this success-with-information result. - Compare the observed state before and after
DB_S_UNWANTEDOPERATION; do not assume that a success severity bit means every optional sub-operation completed. - For
DB_S_UNWANTEDOPERATION, reproduce the smallest request with the same object state and then change only the condition identified by the evidence before repeating the operation.
State boundary that must be proved
The central question for DB_S_UNWANTEDOPERATION is whether only the intended operation is suppressed and the provider’s remaining notification contract is understood. For DB_S_UNWANTEDOPERATION, the HRESULT alone confirms neither unrelated work nor the quality of optional outputs.
A reliable interpretation of DB_S_UNWANTEDOPERATION names the exact method contract, the object generation, and the outputs that remain valid. For DB_S_UNWANTEDOPERATION, this prevents a success-with-information result from being promoted to full success or demoted to a generic error.
Correct handling, retry, and recovery
Stop callbacks for that operation as requested and maintain any other subscribed notifications. Consumers should return this status deliberately, not as a generic way to ignore errors.
Retry DB_S_UNWANTEDOPERATION only when the recorded state can change the documented outcome. For DB_S_UNWANTEDOPERATION, repeating the same call is inappropriate for a stable end marker, cancellation, unsupported format, adjusted property, or partial result whose completed side effects have not been reconciled.
Evidence and telemetry to preserve
- For
DB_S_UNWANTEDOPERATION, preserve notification interface and sink identity. - For
DB_S_UNWANTEDOPERATION, preserve operation reason and phase. - For
DB_S_UNWANTEDOPERATION, preserve return code history. - For
DB_S_UNWANTEDOPERATION, preserve provider behavior after suppression. - For
DB_S_UNWANTEDOPERATION, preserve outstanding asynchronous work.
Also record db_s_unwantedoperation_operation, db_s_unwantedoperation_object, db_s_unwantedoperation_state_before, db_s_unwantedoperation_state_after, UTC time, process and thread identifiers, and a correlation ID. For DB_S_UNWANTEDOPERATION, keep secrets out of logs while retaining GUIDs, CLSIDs, media subtypes, property IDs, row identities, and hashes needed to distinguish objects.
Difference from nearby HRESULT values
DB_S_UNWANTEDPHASE suppresses a phase, and DB_S_UNWANTEDREASON suppresses a reason; DB_S_UNWANTEDOPERATION targets the operation.
For DB_S_UNWANTEDOPERATION, this distinction determines whether the caller should consume partial outputs, stop iteration, wait, reconfigure, notify the user, or perform no error recovery at all.
Developer and administrator guidance
Developers should represent DB_S_UNWANTEDOPERATION as a distinct typed outcome, because collapsing it into generic success loses the condition encoded by 0x00040ECC. For DB_S_UNWANTEDOPERATION, administrators and support engineers should retain the first component-specific evidence before wrappers replace it with a broad message.
A support report for DB_S_UNWANTEDOPERATION should include decimal 265932, hexadecimal 0x00040ECC, the AllStat meaning, the owning API, and the first detailed status or output that explains why the method did not return ordinary S_OK.
Practical validation scenario
A UI consumer no longer needs row-position notifications for a canceled refresh. It returns DB_S_UNWANTEDOPERATION, while retaining schema-change notifications for the rowset.
The negative test should preserve the condition that produces DB_S_UNWANTEDOPERATION; the recovery test should alter only that condition and verify the final state as well as the HRESULT.
References
- Microsoft: OLE DB return codes — official documentation relevant to
DB_S_UNWANTEDOPERATION. - Microsoft: OLE DB Driver return codes — official documentation relevant to
DB_S_UNWANTEDOPERATION. - Microsoft: OLE DB error records — official documentation relevant to
DB_S_UNWANTEDOPERATION.
Looking for a different code? Search another status or error code.