What does HRESULT 0x00040EC7 (DB_S_COMMANDREEXECUTED) mean?

DB_S_COMMANDREEXECUTED

OLE DB command was reexecuted to satisfy the operation

DB_S_COMMANDREEXECUTED is HRESULT 265927 (0x00040EC7) from Microsoft OLE DB. AllStat describes this result as “Command was reexecuted.” The high-order severity bit is clear, so this is a success result, but it carries more information than plain S_OK.

The provider completed the request by reexecuting the command, which can refresh data and invalidate assumptions about a previous execution snapshot.

Where the result is encountered

• This result can appear in rowset repositioning or resynchronization; record the producing interface and method rather than inferring behavior from the symbolic name alone.
• This result can appear in providers without a cheaper cursor operation; record the producing interface and method rather than inferring behavior from the symbolic name alone.
• It can appear in commands whose rowset must be recreated; record the producing interface and method rather than inferring behavior from the symbolic name alone.

The same numeric success value can be mishandled when a wrapper exposes only a Boolean. Keep the original HRESULT until the code-specific outputs and state transition have been evaluated.

State boundary that must be proved

The central question for it is whether reexecution side effects, parameters, transaction context, and result schema are acceptable and known to the consumer. The HRESULT alone confirms neither unrelated work nor the quality of optional outputs.

A reliable interpretation of it names the exact method contract, the object generation, and the outputs that remain valid. This prevents a success-with-information result from being promoted to full success or demoted to a generic error.

Evidence and telemetry to preserve

• preserve command text and parameter values.
• preserve execution count and timestamps.
• preserve transaction identifier.
• preserve rowset schema before and after.
• preserve server-side side effects or trigger activity.

Also record db_s_commandreexecuted_operation, db_s_commandreexecuted_object, db_s_commandreexecuted_state_before, db_s_commandreexecuted_state_after, UTC time, process and thread identifiers, and a correlation ID. Keep secrets out of logs while retaining GUIDs, CLSIDs, media subtypes, property IDs, row identities, and hashes needed to distinguish objects.

Correct handling, retry, and recovery

Accept the new rowset only if reexecution is safe. Commands with side effects require idempotency protection or a design that prevents automatic reexecution.

Retry it only when the recorded state can change the documented outcome. 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.

Diagnostic sequence

• capture the raw HRESULT 0x00040EC7 immediately after the returning method and record whether the caller used SUCCEEDED, FAILED, equality testing, or exception translation.
• Identify the exact owner of it: interface, method, object instance, provider or filter version, thread or apartment, and operation phase.
• Validate the decisive contract boundary for it: reexecution side effects, parameters, transaction context, and result schema are acceptable and known to the consumer.
• 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 it; do not assume that a success severity bit means every optional sub-operation completed.
• reproduce the smallest request with the same object state and then change only the condition identified by the evidence before repeating the operation.

Practical validation scenario

A provider reexecutes a read-only query to reposition a scrollable view. The client detects the new snapshot generation and refreshes cached bookmarks rather than mixing them with the old rowset.

The negative test should preserve the condition that produces it; the recovery test should alter only that condition and verify the final state as well as the HRESULT.

Difference from nearby HRESULT values

DB_S_COLUMNSCHANGED reports schema drift during repositioning; it reports the provider strategy used to complete the request.

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

Application telemetry should separate terminal failure, ordinary success, partial completion, continuation, cancellation, and warning-like success. Support bundles should contain the smallest reproducible call and the effective configuration seen by the owning component.

A support report for it should include decimal 265927, hexadecimal 0x00040EC7, the AllStat meaning, the owning API, and the first detailed status or output that explains why the method did not return ordinary S_OK.

References

• Microsoft: OLE DB return codes
• Microsoft: OLE DB Driver return codes
• Microsoft: OLE DB error records

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