If you are using Outlook 2010, you can change the resource scheduling behaviour in the Options panel:
In the Resource Scheduling window tick the options that you would like to apply to the locations you manage.
This facility is no longer included in Outlook 2013, but you can change the behaviour of a resource in the Outlook Web App:
Please suggest an improvement
(login needed, link opens in new window)
Your views are welcome and will help other readers of this page.
This is question number 2319, which appears in the following categories: