Server Configuration

FILE	PATH	DESCRIPTION
machine.config	%windir%\Microsoft.NET\Framework\\config\	Contains most of the .NET Framework sections and settings.
web.config (root)	%windir%\Microsoft.NET\Framework\\config\	Contains more of the ASP. NET-specific sections and settings.
applicationHost.config	%windir%\System32\inetsrv\config (by default)	Contains the IIS global web server, configuration sections, and site settings using location tags.
administration.config	%windir%\System32\inetsrv\config (by default)	Contains the configuration for IIS Manager and the IIS Manager users.
redirection.config	%windir%\System32\inetsrv\config	This is used for shared configuration, which allows applicationHost.config and administration.config to be relocated.