I have simple angular2-cli app (one page with model driven form - no router involved). With \"ng serve\" all works fine. I made production version with ng build --product. I
for those who use angular i18n, you have to build the app for each language and put them in separate folders
ng build --output-path=dist/fr --prod --bh /fr/ ng build --output-path=dist/en --prod --bh /en/
and here is the config for iis