Exchange 2007 Resource Calendars Automatically Booking

Question

I have a resource mailbox that I would like all meeting requests to be approved by resource delegates. Below is a dump of the calendar properties for the resource mailbox. Currently any user part of Booking Group will have their requests automatically approved even though AllBookInPolicy is false and BookInPolicy is null. Any ideas as to what I'm missing to get this to work? Below is a dump of the resource calendar's properties.

AutomateProcessing                  : AutoAccept
AllowConflicts                      : True
BookingWindowInDays                 : 180
MaximumDurationInMinutes            : 1440
AllowRecurringMeetings              : True
EnforceSchedulingHorizon            : True
ScheduleOnlyDuringWorkHours         : False
ConflictPercentageAllowed           : 0
MaximumConflictInstances            : 0
ForwardRequestsToDelegates          : True
DeleteAttachments                   : True
DeleteComments                      : True
RemovePrivateProperty               : True
DeleteSubject                       : True
DisableReminders                    : True
AddOrganizerToSubject               : True
DeleteNonCalendarItems              : True
TentativePendingApproval            : True
EnableResponseDetails               : True
OrganizerInfo                       : True
ResourceDelegates                   : {User 1, User 2, User 3}
RequestOutOfPolicy                  : {Booking Group}
AllRequestOutOfPolicy               : False
BookInPolicy                        :
AllBookInPolicy                     : False
RequestInPolicy                     : {Booking Group}
AllRequestInPolicy                  : False
AddAdditionalResponse               : False
AdditionalResponse                  :
RemoveOldMeetingMessages            : True
AddNewRequestsTentatively           : True
ProcessExternalMeetingMessages      : False
DefaultReminderTime                 : 15
RemoveForwardedMeetingNotifications : False

Answer 1

AutomateProcessing - If this parameter is set to AutoAccept, both the Calendar Attendant and resource booking attendant are enabled on the mailbox. This means that the Calendar Attendant updates the calendar, and then the resource booking assistant accepts the meeting based upon the policies

You need to set this to AutoUpdate, that way only the Calendar Attendant processes meeting requests and responses.