I have a 2016 with IIS10, i have installed the latest version of Mediawiki and Modsecurity. I hade a few base rules that created false positives, after removing them i was still not able to login and no further events where logged. i have tried removing all the rules, still i am unable to login. so far i can only uninstall modsecurity for my mediawiki to work. Happy new year and kind regards Kent