Infodoc 82255 : A Quick Guide to SMF Milestones e
Excerpt : “In other words, from a Solaris Administration point of view there is no change introduced with milestones. The only time you need to use them is with SMF maintenance work (milestone=none) and the only useful one after that is “all”.”
So don’t bother using multi-user & multi-user-server milestones…