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CI_E_STRANGE_PAGEORSECTOR_SIZE
Catalog page size is incompatible with the storage sector size
CI_E_STRANGE_PAGEORSECTOR_SIZE is HRESULT 0x8004181E (-2147215330 signed; 2147751966 unsigned). Its severity bit is 1, facility is 4 (FACILITY_ITF for these values), and code field is 0x181E. Standard HRESULT severity rules classify the value as a failure. AllStat describes the value as “Page size is not an integral multiple of the sector size of the volume where index is located.”
Interpretation in context
This result belongs to validating on-disk index geometry against the volume that stores the catalog. The decisive interpretation is that the configured page size is not an integral multiple of the volume sector size. Keep the symbolic constant and method stage together in logs; its hexadecimal value alone cannot identify the owning transition or input.
The legacy content-index helper layer has explicit object, catalog and service states. In the result investigation, a generic retry can hide lifecycle, ordering or policy defects. This context narrows the responsible component without replacing the code-specific checks below.
Conditions to test
- This result: Catalog data was moved to storage with different geometry.
- This result: Legacy configuration uses an unsupported page size.
- This result: Virtual disk reports unexpected sector characteristics.
- It: Metadata is damaged and contains an implausible value.
The useful hypothesis for it must explain both validating on-disk index geometry against the volume that stores the catalog and the documented condition. Compare the failing case with a control that preserves catalog page size and changes only logical and physical sector sizes; this prevents unrelated environment differences from dominating the result test.
Incident record
- check catalog page size.
- check logical and physical sector sizes.
- check volume identity and migration history.
- check catalog version and integrity results.
Capture catalog page size before releasing objects, closing handles or reconnecting. Retain the raw HRESULT with logical and physical sector sizes, 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.
Step-by-step diagnosis
- Query sector geometry from the actual mounted volume. Associate this observation specifically with it.
- Compare it with catalog metadata. Associate this observation specifically with it.
- Check whether the catalog was copied rather than rebuilt. Associate this observation specifically with it.
- Preserve evidence before recreating suspected corrupt data. 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 configured page size is not an integral multiple of the volume sector size. This isolates whether it is causal rather than merely repeatable.
Retry decision
Move/rebuild the catalog on supported storage or correct the approved configuration. Repeated startup cannot change disk geometry. Record whether validating on-disk index geometry against the volume that stores the catalog 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 catalog page size or logical and physical sector sizes. A timer alone cannot demonstrate that the result contract condition has changed.
What the value cannot establish
It does not mean the volume is full or that ordinary document pages are malformed. Without the call boundary for validating on-disk index geometry against the volume that stores the catalog, it also cannot identify which wrapper or configuration layer introduced the condition.
Adjacent contract states
CI_E_DISK_FULL concerns capacity; this HRESULT concerns incompatible storage geometry. 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
- At the code boundary, keep catalog page size beside the returned HRESULT; preserve the observation under the result correlation record.
- In telemetry, correlate logical and physical sector sizes with the target and component generation; preserve the observation under the result correlation record.
- For regression coverage, force the documented condition: the configured page size is not an integral multiple of the volume sector size; preserve the observation under the result correlation record.
- For operations staff, expose the corrective state change rather than a generic retry button; preserve the observation under the result correlation record.
- After remediation, validate one known-good control and the original failing case; preserve the observation under the result correlation record.
Concrete scenario
A legacy catalog image is restored onto a 4K-sector virtual disk. Rebuilding the catalog on the target volume resolves the geometry mismatch. 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: content-indexing helper-function values — official contract information relevant to it.
- Microsoft: Content-Indexing values
- Microsoft: HRESULT values
- Microsoft: Windows Search SQL syntax
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