Supported settings on Exchange meeting rooms – Helpdesk

To ensure the communication between Planner and Exchange your Meeting rooms in Exchange have to have the following settings:

Key	Description	Default Value
AutomateProcessing	Specifies the automatic processing of meeting requests. None: No automatic processing AutoUpdate: Requests are automatically processed, but are not validated against any booking policy settings. AutoAccept: Requests are automatically processed and validated against any booking policy settings.	AutoUpdate
AllRequestInPolicy	Specifies whether to allow all users to submit in-policy requests. These would require approval from a resource mailbox delegate.	false
AllRequestOutOfPolicy	Specifies whether to allow all users to submit out-of-policy requests. These require manual approval from resource mailbox delegate.	false
AddAdditionalResponse	Specifies whether to include additional information in the responses to meeting requests.	false
AdditionalResponse	Specifies the additional information to be included in the responses to meeting requests.	Empty string
AddNewRequestsTentatively	AddNewRequestsTentatively applies only to mailboxes that have the Calendar Attendant feature enabled (mailboxes that have AutomateProcessing set to 'AutoUpdate'). This option causes newly-received meeting requests to appear on the recipient's calendar as Tentative. However, no message is sent to the meeting organizer to indicate that the recipient accepted the meeting.	true
AllowConflicts	Specified whether meeting requests are accepted, even if they conflict with other accepted meeting requests occurring at the same time.	false
BookingWindowInDays	The BookingWindowInDays parameter specifies the maximum number of days in advance that the resource can be reserved. Valid input is an integer from 0 through 1080. The default value is 180 days. The value 0 means today.	180
MaximumDurationInMinutes	The MaximumDurationInMinutes parameter specifies the maximum duration in minutes for meeting requests. Valid input for this parameter is an integer from 0 through 2147483647. The default value is 1440 (24 hours). When the value is set to 0, the maximum duration of a meeting is unlimited. For recurring meetings, the value of this parameter applies to the length of an individual meeting instance.	1440
AllowRecurringMeetings	Specifies whether meeting requests of recurring meetings are allowed.	true
EnforceSchedulingHorizon	The EnforceSchedulingHorizon parameter controls the behavior of recurring meetings that extend beyond the date specified by the BookingWindowInDays parameter. Valid values for this parameter are: true: A recurring meeting request is automatically declined if the meetings start on or before the date specified by the BookingWindowInDays parameter, and the meetings extend beyond the specified date. false: A recurring meeting request is automatically accepted if the meetings start on or before the date specified by the BookingWindowInDays parameter, and the meetings extend beyond the specified date. However, the number of meetings is automatically reduced so meetings won't occur after the specified date.	true
ScheduleOnlyDuringWorkHours	The ScheduleOnlyDuringWorkHours parameter specifies whether to allow meetings to be scheduled outside of the working hours that are defined for the resource mailbox. Valid input for this parameter is true or false. The default value is false. If set to true, meeting requests for times outside the working hours of the resource mailbox will be rejected. You configure the working hours of the resource mailbox by using the WorkDays, WorkingHoursStartTime, WorkingHoursEndTime and WorkingHoursTimeZone parameters on the Set-MailboxCalendarConfiguration cmdlet.	false
ConflictPercentageAllowed	The ConflictPercentageAllowed parameter specifies the maximum percentage of meeting conflicts for new recurring meeting requests. Valid input for this parameter is an integer from 0 through 100. If a new recurring meeting request conflicts with existing reservations for the resource more than the percentage specified by the ConflictPercentAllowed value, the recurring meeting request is automatically declined. When the value is 0, no conflicts are permitted for new recurring meeting requests	100
MaximumConflictInstances	The MaximumConflictInstances parameter specifies the maximum number of conflicts for new recurring meeting requests when the AllowRecurringMeetings parameter is set to true. Valid input for this parameter is an integer from 0 through 2147483647. If a new recurring meeting request conflicts with existing reservations for the resource more than the number of times specified by the MaximumConflictInstances value, the recurring meeting request is automatically declined. When the value is 0, no conflicts are permitted for new recurring meeting requests.	2147483647
ForwardRequestsToDelegates	Specifies whether to forward incoming meeting requests to the delegate(s) defined for the mailbox.	true
DeleteAttachments	Specifies whether to remove attachments from all incoming messages. This parameter is used only on resource mailboxes where the AutomateProcessing parameter is set to AutoAccept.	true
DeleteComments	Removes any text in the message body of incoming meeting requests. This parameter is used only on resource mailboxes where the AutomateProcessing parameter is set to AutoAccept.	true
RemovePrivateProperty	Clears the private flag for incoming meeting requests.	true
DeleteSubject	Removes the subject of incoming meeting requests. This parameter is used only on resource mailboxes where the AutomateProcessing parameter is set to AutoAccept.	true
AddOrganizerToSubject	Specifies whether the meeting organizer's name is used as the subject of the meeting request.	true
DeleteNonCalendarItems	Removes all non-calendar items received by the mailbox	true
TentativePendingApproval	Specifies whether to mark pending requests as tentative on the calendar. If set to false, pending requests are marked as free. TentativePendingApproval applies only to mailboxes that have the Resource Booking feature enabled (mailboxes that have AutomateProcessing set to 'AutoAccept'). This option is only relevant if the resource has received a meeting request that needs to be approved by a delegate of the resource. Under such circumstances, if TentativePendingApproval is set to 'true', then the meeting will be accepted tentatively by the Resource Booking Agent. The meeting organizer will receive a message from the resource indicating Tentative acceptance, and the message will state, "Your request was received and is pending approval."	true
EnableResponseDetails	The EnableResponseDetails parameter specifies whether to include the reasons for accepting or declining a meeting in the response email message. Valid input for this parameter is true or false. The default value is true. By default, the reasons for accepting or declining a meeting in the response email message are included.	true
OrganizerInfo	Resource mailboxes send organizer information when a meeting request is declined because of conflicts.	true
ResourceDelegates	Specifies a list of users who are resource delegates. Resource mailbox delegates can approve or reject requests sent to this resource mailbox.	empty
RequestOutOfPolicy	Specifies a list of users who are allowed to submit out-of-policy requests. These require approval from a resource mailbox delegate.	empty
BookInPolicy	Specifies a list of users who are allowed to submit in-policy meeting requests. These are automatically approved.	empty
RequestInPolicy	Specifies a list of users who are allowed to submit in-policy meeting requests. These require approval from a resource mailbox delegate.	empty
RemoveOldMeetingMessages	Specifies whether old and redundant updates and responses are removed.	true
AddNewRequestsTentatively	AddNewRequestsTentatively applies only to mailboxes that have the Calendar Attendant feature enabled (mailboxes that have AutomateProcessing set to 'AutoUpdate'). This option causes newly-received meeting requests to appear on the recipient's calendar as Tentative. However, no message is sent to the meeting organizer to indicate that the recipient accepted the meeting.	true
ProcessExternalMeetingMessages	The ProcessExternalMeetingMessages parameter specifies whether to process meeting requests that originate outside the Exchange organization. Valid input for this parameter is $true or $false. The default value is $false. By default, meeting requests that originate outside of the organization are rejected.	false
RemoveForwardedMeetingNotifications	Specifies whether meeting forwarding notifications are moved to Deleted Items after processing.	false