Sign up to vote If I uninstall will All people go back to connecting for the 2016 server? I haven't created any DNS improvements to the 2019 server. All I did was set up the application. Otherwise, I don't know how we'll ever get from the on-premise server. For http://finntrley.post-blogs.com/19334451/a-simple-key-for-exchange-server-2019-emergency-support-unveiled