Updated on 2023-03-15

IIS 10.0 version 1809 is the latest version of Internet Information Services (IIS) which shipped with the Windows 10 October 2018 Update and Windows Server 2019.

Configuration file



This file is the root file of the configuration system when you are using IIS 7 and above. It includes definitions of all sites, applications, virtual directories and application pools, as well as global defaults for the web server settings, which means it controls the server itself.

The location of the file is currently in the %windir%\system32\inetsrv\config directory.


Web.config file control configurations at the site and application levels.