Web.config

Web.config

• Web.config is the main settings and configuration file for a web application.
• The file is an XML document that defines configuration information regarding the web application.

Where is SharePoint web.config?

• There is a separate web.config file for each Web Application / IIS Website which is running an 
• instance of SharePoint. 
• For example, there will be a web.config file in the root of the virtual directory for each application.
• There is also a separate web.config file which contains configuration details for the "_layouts", "_catalogs", etc directories of SharePoint sites.