Configuration Editor | Microsoft Learn
https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/hh831362(v=ws.11)
WebAug 31, 2016 · Configuration Editor lets you access and manage your configuration files by pulling sections into IIS Manager. The available sections are determined by where you are in your server, site, or application. Within each section, you can edit elements, attributes, and collections. This feature is available only to administrators.
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