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CI_E_INVALID_FLAGS_COMBINATION
The supplied content-index flags are mutually incompatible
CI_E_INVALID_FLAGS_COMBINATION is HRESULT 0x80041819 (-2147215335 signed; 2147751961 unsigned). Its severity bit is 1, facility is 4 (FACILITY_ITF for these values), and code field is 0x1819. Standard HRESULT severity rules classify the value as a failure. AllStat describes the value as “The combination of flags specified is invalid.”
Interpretation in context
This result belongs to validating option bits before a helper or catalog operation begins. The decisive interpretation is that each flag may be known individually, but the combined semantics are not allowed. 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: Two exclusive modes are enabled.
- This result: A dependent flag lacks its prerequisite.
- This result: Flags from different API versions are ORed together.
- It: Uninitialized memory contributes stray bits.
The useful hypothesis for it must explain both validating option bits before a helper or catalog operation begins and the documented condition. Compare the failing case with a control that preserves raw flag mask and symbolic expansion and changes only API and component version; this prevents unrelated environment differences from dominating the result test.
Incident record
- check raw flag mask and symbolic expansion.
- check API and component version.
- check default flags before modification.
- check call site that assembled the mask.
Capture raw flag mask and symbolic expansion before releasing objects, closing handles or reconnecting. Retain the raw HRESULT with API and component version, 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
- Decode every bit including unknown ones. Associate this observation specifically with it.
- Start from a zero/default mask and add options individually. Associate this observation specifically with it.
- Check documented prerequisites and exclusions. Associate this observation specifically with it.
- Use strongly typed flag builders instead of integer reuse. 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 each flag may be known individually, but the combined semantics are not allowed. This isolates whether it is causal rather than merely repeatable.
Retry decision
Construct a permitted mask and retry before side effects begin. Do not remove flags randomly in production. Record whether validating option bits before a helper or catalog operation begins 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 flag mask and symbolic expansion or API and component version. A timer alone cannot demonstrate that the result contract condition has changed.
What the value cannot establish
It does not mean one particular flag is globally unsupported. Without the call boundary for validating option bits before a helper or catalog operation begins, it also cannot identify which wrapper or configuration layer introduced the condition.
Adjacent contract states
DB_E_BADCOMMANDFLAGS belongs to OLE DB commands; this HRESULT is the content-index helper flag contract. 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 raw flag mask and symbolic expansion beside the returned HRESULT; preserve the observation under the result correlation record.
- In telemetry, correlate API and component version with the target and component generation; preserve the observation under the result correlation record.
- For regression coverage, force the documented condition: each flag may be known individually, but the combined semantics are not allowed; 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 wrapper combines full-load and incremental-load options copied from separate examples. Explicit validation rejects the impossible mode. 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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