Solved: The Web Application Project Rue25 is configured to use IIS. The Web server 'http: // localhost / Rue25' could not be found.
After installing an older Webform project on a Windows web server with IIS, this project will not load.
Even with the help of a Visual Studio Community Edition this is not displayed.
C: \ _ Data \ _web \ Rue25 \ Rue25.vbproj: error: The Web Application Project Rue25 is configured to use IIS. The Web server 'http: // localhost / Rue25' could not be found.
This happens when you have different projects running different .Net framework versions
You can
find the framework version under Project-> Properties-> Application->
Target framework
Here at .Net Framework applications with Webforms
The application shown tries to load the framework .NET Framework 4.6
After setting the framework down to the usual .NET Framework 4.5.1 (older versions) on the development server,
The application ran again on the target computer