I have recently changed machines at work, and a long-standing web project now refuses to open in Visual Studio.
The error log reads: "The Web project 'xxx' is configured to use IIS Express. You must download and install IIS Express in order to load this project."
However, IIS Express is installed on this machine (contrary to what the message is saying), and both the
In the absence of a request for a suitable web server in the
csproj file, it defaults to its own best guess, which in this case happens to be IIS Express. So in this case, the answer was to change the
UseIIS option to
True, and the project opened correctly.