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PSINK_E_LARGE_ATTACHMENT
The phrase attachment type is outside the valid range
PSINK_E_LARGE_ATTACHMENT is HRESULT 0x80041792 (-2147215470 signed; 2147751826 unsigned). Its severity bit is 1, facility is 4 (FACILITY_ITF for these values), and code field is 0x1792. Standard HRESULT severity rules classify the value as a failure. AllStat describes the value as “Attachment type beyond valid range.”
Where the result belongs
This result belongs to passing attachment metadata to IPhraseSink during phrase generation. The decisive interpretation is that the numeric attachment/type identifier cannot be represented or recognized by the sink contract. Keep the symbolic constant and method stage together in logs; its hexadecimal value alone cannot identify the owning transition or input.
Phrase-sink callbacks differ between query and index processing. In the result investigation, the attachment type and pipeline mode define whether a callback is legal. This context narrows the responsible component without replacing the code-specific checks below.
Concrete causes
- check an enum value comes from a newer incompatible component.
- check signed/unsigned conversion corrupts the identifier.
- check memory damage alters callback arguments.
- check a custom breaker invents an undocumented attachment type.
The useful hypothesis for it must explain both passing attachment metadata to IPhraseSink during phrase generation and the documented condition. Compare the failing case with a control that preserves raw attachment value in decimal and hexadecimal and changes only component versions on both sides; this prevents unrelated environment differences from dominating the result test.
Evidence to retain
- Raw attachment value in decimal and hexadecimal; preserve the observation under the result correlation record.
- Component versions on both sides; preserve the observation under the result correlation record.
- Phrase boundaries and mode; preserve the observation under the result correlation record.
- ABI and structure packing; preserve the observation under the result correlation record.
Capture raw attachment value in decimal and hexadecimal before releasing objects, closing handles or reconnecting. Retain the raw HRESULT with component versions on both sides, component version, UTC timestamp and correlation ID. Bound the result telemetry to diagnostic metadata because document content, credentials and unrestricted query text may be sensitive.
Diagnostic path
- Validate the value before invoking the sink. Associate this observation specifically with this result.
- Compare headers and interface versions used by breaker and host.
- Reproduce with a known documented attachment type.
- Investigate memory corruption if the value changes between call sites. Associate this observation specifically with it.
Change one variable per it control run. Preserve the component version and target identity, then alter only the condition described as the numeric attachment/type identifier cannot be represented or recognized by the sink contract. This isolates whether it is causal rather than merely repeatable.
Recovery and retry
Use a documented in-range attachment type after fixing version or serialization mismatch. Retrying the same invalid value is unsafe. Record whether passing attachment metadata to IPhraseSink during phrase generation produced any content, update or state transition before returning. If completion remains unknown, the path must not replay non-idempotent work until the owner confirms final state.
The retry gate for it should be a concrete change in raw attachment value in decimal and hexadecimal or component versions on both sides. A timer alone cannot demonstrate that the result contract condition has changed.
What must not be inferred
It does not describe a large phrase buffer; that case maps to <code>WBREAK_E_BUFFER_TOO_SMALL</code>. Without the call boundary for passing attachment metadata to IPhraseSink during phrase generation, it also cannot identify which wrapper or configuration layer introduced the condition.
Nearby results
PSINK_S_LARGE_WORD concerns word length, whereas this failure concerns the attachment-type range. In it telemetry, preserve neighboring constants separately because the same visible symptom may require a different caller action, owner or recovery gate.
Developer and administrator actions
- The result investigation should record At the code boundary, keep raw attachment value in decimal and hexadecimal beside the returned HRESULT.
- The result investigation should record In telemetry, correlate component versions on both sides with the target and component generation.
- The result investigation should record For regression coverage, force the documented condition: the numeric attachment/type identifier cannot be represented or recognized by the sink contract.
- The result investigation should record For operations staff, expose the corrective state change rather than a generic retry button.
- The result investigation should record After remediation, validate one known-good control and the original failing case.
Operational example
A plug-in compiled against a private enum passes value 0x10000 to an older host. Contract-version negotiation blocks the incompatible callback. In this scenario, handling it at its real contract boundary prevents the application from collapsing a precise state into an unhelpful generic “search failed” message.
Official Microsoft references
- Microsoft: Word-Breaking values — official contract information relevant to it.
- Microsoft: IPhraseSink interface
- Microsoft: IWordBreaker::BreakText
- Microsoft: HRESULT values
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