[Description] The uninstall process removes the WebApplication folder from the file system. The WebApplication folder contains the Web application files and Web.config file for Master Data Manager. Important Before you uninstall, you might want to copy the Web.config file to another location to preserve any custom settings or other information in the file. After the uninstall process completes, the Web.config file is not recoverable. [Item] 
Master Data Manager and Web.config