What does HRESULT 0xC004182E (CI_E_DIACRITIC_SETTINGS_DIFFER) mean?

 
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CI_E_CORRUPT_FWIDX CI_E_NO_CATALOG_MANAGER

CI_E_DIACRITIC_SETTINGS_DIFFER

CI_E_DIACRITIC_SETTINGS_DIFFER is a catalog linguistic-configuration mismatch. Diacritic handling affects word normalization and matching, so an index built under one setting cannot simply be treated as though it had been generated under another.

Compare catalog settings before diagnosing language resources

  • Record whether the catalog was copied, restored, upgraded, or opened after a configuration change.
  • Correlate with CI_S_CATALOG_RESET; a reset can be the service response to incompatible catalog settings.
  • Do not blame one document language or one word breaker unless the mismatch is limited to a specific locale path; this code refers to catalog settings.

Microsoft documents word breakers and normalization as core parts of both indexing and querying. The full-text catalog specification explicitly includes a diacritic-settings file for the catalog. A mismatch can change which normalized terms are stored or matched, so rebuilding under the current setting is conceptually different from retrying a failed item. For recurring errors, compare the configuration source and the catalog that the service is actually opening.

Language resource components · Full-text catalog format · Indexing process


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