Normally, I'd say that you ought to set up a mailbox to hold the calendar and assign those two users as delegates. But for this simple implementation of a calendar that probably doesn't need to expose free/busy information, you could create a public folder and set up the two users as moderators.
"Hanan" discussions.microsoft.com> wrote in message news:FFE22CF2-8675-488F-B23D-C387CB1E34A5@microsoft.com...
> I've been asked to setup a company calendar for the entire organization.
> Management wants any Exchange users (staff) to have the ability to create a
> calendar item, but only wants two users in particular to be able to approve
> the items (moderators). The items on the calendar are for 'everyone' and are
> very generic. For example "company party" or "Holidays" or the like.
>
> What would be the best practice configuration for this scenario?
>
> Thanks in advance,
>
> Hanan