This will (hopefully) be a new series on the blog with some one-liners that I use in my daily work as a consultant installing Lync Servers.
Set-CsConferenceDisclaimer -Header “Litwareinc.com Online Conference” -Body “Important note: This is a private system for invited attendees only, Conferencing proceedings can be recorded and archived.”
Now when a Lync client joins the meeting they will first see this screen
And it will look something like this when the web clients enter 