The Web Site '%1' is configured to use IIS as the web server but the URL is currently configured on the IIS Express web server. ...

The Web Site '%1' is configured to use IIS as the web server but the URL is currently configured on the IIS Express web server. To open this Web Site, you must edit the '%2' file to change the port of the site currently using the URL in IIS Express, and you must run Visual Studio in the context of an administrator account.