KeyView 24.3

# Run File Extraction Functions Out-of-Process

The out-of-process setting specified when you create the Filter object or in the `formats.ini` file is automatically propagated to the File Extraction API.

When you extract subfiles from container files and pass the files for filtering out-of-process, Filter generates a server called `filter_kvoop.exe` for filtering and another server called `extract_kvoop.exe` for file extraction. These servers are independent, so if the filtering service stops responding, the file extraction service can continue extracting files.

## Restart the File Extraction Server

If the file extraction server fails on a file and throws the exception `KVError_InvalidOopDriverSignature` or `KVError_InvalidOopServiceSignature`, you must restart the server by recreating the Filter object, and process the source file again.

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Version 24.3 | Last updated June 2024

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Product: IDOL KeyView 24.3

Topic Title: Run File Extraction Functions Out-of-Process