After IIS is configured in Asp.net, the server application is unavailable.

After Asp.net is configured with IIS, server applicationsProgramUnavailable the current unavailable solution of the Web application you are trying to access on this web server is incorrect: the server application is unavailable. The web application you are attempting to access on this web server is currently unavailable. Please click "refresh" in the web browser to try your request again. Administrator Note: error messages that detail the cause of the specific request failure can be found in the system event log of the Web server. Check this log item to identify the cause of this error. Register again. NET 2.0 is probably installed first. net Framework. net is not registered in IIS, from. run aspnet_regiis/u In the. NET command line tool to uninstall it, install aspnet_regiis/I, restart IIS, delete "Default Application", and recreate the site as an application. I solved this problem by using this method.