The troubleshooting information is organized by server roles. This information is further divided according to the logical areas of interest to the administrator when monitoring and troubleshooting the server role. Within each logical area of manageability, you will find reference and troubleshooting information relevant to each event logged by services or applications that are part of the server role. WSS 3.0 Web Application (with Event ID - Source - Message) This is preliminary documentation and subject to change. A Web application is comprised of an Internet Information Services (IIS) site that has a unique application pool. When you create a new Web application, you also create a new database and define the authentication method used to connect to the database. see this link : WSS 3.0 Web Application on TECHNET. (source : Windows Server 2008 Technical Library TECHNET)
P. Erol GIRAUDY.