What does HRESULT 0x80045356 (FSRM_E_CANNOT_ALLOW_REPARSE_POINT_TAG) mean?

 
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FSRM_E_CANNOT_STORE_PROPERTIES FSRM_E_PARTIAL_CLASSIFICATION_PROPERTY_NOT_FOUND

FSRM_E_CANNOT_ALLOW_REPARSE_POINT_TAG

FSRM_E_CANNOT_ALLOW_REPARSE_POINT_TAG means configuration attempted to include a reparse-point type that FSRM does not recognize as safe or supported for classification. Reparse points can redirect access or represent filesystem-specific objects.

Do not follow an unknown tag blindly

  • Read the reparse tag and identify the owning filesystem or filter driver.
  • Decide whether the intended policy applies to the reparse object, its target, or neither.
  • Exclude unsupported tags or classify the resolved data through a supported local namespace.

Allowing arbitrary reparse tags can create scan loops, cross namespace boundaries, or send modules data with semantics they do not understand. A symbolic link, mount point, cloud placeholder, deduplication object, and vendor tag are not interchangeable. Use documented tag behavior and test traversal under the FSRM service account before changing scope.

Reparse points · Classification management · Property bag


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