As Microsoft continues to improve IIS, certain third-party components become incompatible with the new versions. I have recently worked on case where we tried to install an authentication module into a server with IIS 10. It threw this error message:
DIGIPASS Authentication for IIS Basic 3.4.0 Setup Information
This version of DIGIPASS Authentication for IIS Basic requires Microsoft Internet Information Services (IIS) 7. The setup will now terminate