AFAIK, it is not possible to change the update schedule.
Diane Poremsky [MVP - Outlook]
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"Patrick" wrote in message
> Hi All,
> I have a few resource calendars which I want to publish as Internet
> calendars. I am experimenting with one resource calendar (Outlook 2007)
> have published on to an IIS server (on Windows 2003) with WebDav enabled.
> My research says that update interval of published calendars is 1 hour.
> can I change it to something like 20 minutes? Is a lower value like 10
> minutes possible? Since my calendars are resource calendars I can not use
> option of updating calendars with send/receive.
> Thank for your assistance