20. September 2018
a shortcut to: https://stackoverflow.com/questions/6698481/caching-problem-with-symlinks-on-iis-7-5
same behavior with IIS 8 on win 10. problems manifest when sharing some maphive js libs between projects via symlinks (mklink j/d/)
basically disabling cache on the site or IIS lvl does not seem to help with symlinks.
adding an entry to registry does the trick though: