Some words are not useful for full-text searching, for example, single-letter words such as “a”, numbers, and common words such as “the” and “and.” Windows Search and the Indexing Service feature a configurable “noise” blacklist. This is a text file containing words or strings that will be excluded from searches performed by users.
By modifying this file, you can control how users search in the vault and prevent them from creating search queries that will return a lot of results, which may in turn result in poor server performance.
To view or modify the noise blacklist file:
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On the Meridian server that is running the indexing service, navigate to C:\Windows\System32.
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Look for a file named noise.dat or noise.<LanguageAbbreviation> where <LanguageAbbreviation> matches the correct language for the text to be filtered.
There is a separate file for each supported language. For example, the English language file is named noise.eng.
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Open the file in a text editor.
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Add or remove words or strings and save the file.