Anthony Holmes says his customers regularly ask him about <A target="_blank" href="http://workingcollaboration.com/workingcollaboration/weblog.nsf/dx/moving-from-exchange-to-domino-user-by-user-or-server-by-server.htm">migrating users from Exchange to Domino</A>. And sometimes his customers get confused about which upgrade package to use - Domino Upgrade Service or Upgrade Wizard. Anthony gives a brief explanation of the when and why of which he feels works better.