~Tanita DesweverobuOct 24, 2016, 5:41 PM94 PostsUpgrading 9.0.1 FP4 or better will do the trick...... but I would highly recommend FP7, as there have been many performance and security improvements made since between FP4 and FP7. Domino FP4 (technically, Domino FP3 IF2) is when TLS 1.2 was added and the old UI configuration options were disabled. https://www-10.lotus.com/ldd/dominowiki.nsf/dx/TLS_1.2