From "Outlook meeting requests: Essential do=92s and don=92ts" (http://
...Be careful with DLs Try to avoid sending meeting requests to
distribution lists (DLs), particularly ones that you are a member of.
If you need to invite all the members of a distribution list, expand
the list in the To line before sending the request. If you need to add
or remove attendees from a meeting request that you already sent to an
unexpanded distribution list, do not expand the list and start adding
or deleting names. Instead, cancel the meeting and create a new
Case 1. Add a user to the DL - the new user gets changes to a meeting
that was never entered into their calendar.
Case 2. Remove a user from the DL - No cancellation, no changes, limbo
Case 3. Delete the DL. Nobody gets notified. Nobody removes it from
Your best bet is to delete the meeting and PHONE everybody (unless you
have a listing of the old DL :-} ) to remove it.
In the future, EXPAND the DL as stated above before scheduling the