Update to TLS 1.2 to prevent potential Skype for Business outage September 27, 2018 Technology Microsoft are moving all online services to Transport Layer Security (TLS) 1.2+. As a result, Microsoft will be removing support for TLS versions less than 1.2 from their online services, beginning October 31, 2018. Starting on October 31, 2018, all Continue Reading Update to TLS 1.2 to prevent potential Skype for Business outage