You cannot accept meeting invitations on a BlackBerry Enterprise Server device in a dedicated or an ITAR Office 365 environment

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Article ID: 2714619 - View products that this article applies to.
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SYMPTOMS

Note Although this article may apply to many implementations in which Microsoft Exchange and BlackBerry devices interact, it is especially applicable in a dedicated or an International Traffic in Arms Regulations (ITAR) Microsoft Office 365 environment.

You may experience one of the following issues in Office 365:
  • You cannot accept meeting invitations on a BlackBerry Enterprise Server (BES) device. 
  • You receive meeting invitations as email messages instead of as meeting invitations on a BES device. 
  • Some meeting invitations are added to the Exchange calendar as tentative.

CAUSE

These issues may occur because of the values to which three calendar-processing properties are set in Exchange.

RESOLUTION

To resolve this issue, follow these steps:
  1. Set the value of the ProcessExternalMeetingMessages property to True on the Exchange mailboxes. Microsoft Exchange 2010 has a default setting of False for this value. If the meeting invitations are sent from external senders, run the following cmdlet in the Exchange Management Shell (EMS) to check the property:
    Get-CalendarProcessing <identity> | fl ProcessExternalMeetingMessages
    If the property is set to Null or False, change the value of the property to True. To do this, run the following cmdlet:
    Set-CalendarProcessing <identity> -ProcessExternalMeetingMessages $true
  2. Set the value of the AutomateProcessing property to AutoUpdate on the Exchange mailboxes. If the meeting invitations are not specific to external senders, run the following cmdlet in the EMS to check the property:
    Get-CalendarProcessing <identity> | fl AutomateProcessing
    If the property is set to None, change the value of the property to AutoUpdate. To do this, run the following cmdlet:
    Set-CalendarProcessing <identity> -AutomateProcessing AutoUpdate
  3. Set the value of the AddNewRequestsTentatively property to True on the Exchange mailboxes. If the meeting invitations are not specific to external senders, run the following cmdlet in the EMS to check the property:
    Get-CalendarProcessing <identity> | fl AddNewRequestsTentatively
    If the property is set to False, change the value of the property value to True. To do this, run the following cmdlet:
    Set-CalendarProcessing <identity> -AddNewRequestsTentatively $TrueNote
    If this property is set incorrectly, no meeting invitations can be accepted from the BES device. Instead, you have to accept meeting invitations from Microsoft Outlook or from Microsoft Office Outlook Web Access. Or, you have to request that meeting invitations be resent. When the meeting invitations are received, they will be synched to your calendar at the next calendar synchronization interval.  
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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Article ID: 2714619 - Last Review: May 31, 2012 - Revision: 1.0
APPLIES TO
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  • Microsoft Business Productivity Online Suite Federal
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