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| ERROR_COMPRESSED_FILE_NOT_SUPPORTED | ERROR_NOT_READ_FROM_COPY |
ERROR_DIRECTORY_NOT_SUPPORTED
The operation is not valid for a directory
ERROR_DIRECTORY_NOT_SUPPORTED means the target handle or path identifies a directory, but the requested file-system operation applies only to regular files or another object type.
Checks
- Determine whether the path was expected to be a file.
- Inspect attributes after following or not following reparse points as intended.
- Separate directory maintenance from file-data operations.
- Validate object type before issuing specialized control codes.
Resolution
Choose the API designed for directories or apply the operation only to eligible files. Reopening the same directory with different access rights will not add unsupported semantics.
References
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