Article ID: 924470 - View products that this article applies to.
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Summary

When you use the delegate feature in Microsoft Outlook, we recommend that the manager and all the delegates use Microsoft Office Outlook 2007 Service Pack 2 (SP2) or a later version, and this includes Microsoft Outlook 2010 and Microsoft Outlook 2013. Additionally, if Macintosh clients are used, then Microsoft Entourage 2008 or Microsoft Outlook 2011 for Mac should be used. The manager and the delegate are not prevented from running earlier versions of Outlook or Entourage. However, we strongly recommend that such an overlapping period that combines versions that are earlier than Outlook 2007 SP2 or Entourage 2008 be kept as brief as possible.

More information

Although Outlook and Entourage cannot detect whether the manager and delegate use earlier versions of the email clients, we recommend that the manager and all delegates use Outlook 2013, Outlook 2010, Outlook 2007 SP2 (or a later version), Entourage 2008, or Outlook 2011 for Mac. By doing this, you improve calendar reliability. We recognize that users who cannot upgrade to the same version of Outlook at the same time may have to run in a mixed environment that combines older versions of Outlook or Entourage. However, you should limit such a mixed-version topology to a short time during an upgrade period (approximately two months). As your first troubleshooting step if you encounter calendar reliability issues, deploy the newer, supported versions of the clients for the manager and for all their delegates. Then, determine whether the issue continues to occur before you take additional troubleshooting steps. 

Note Support for Microsoft Entourage 2004 for Mac ended on January 10, 2012. For more information about Microsoft Office 2004 for Mac, see the Microsoft Support Lifecycle policy.

In earlier versions of Outlook, such as Outlook 2003 and Outlook 2002, the manager and the delegates can use different versions of Outlook. For example, the delegates can use Outlook 2002, and the manager can use Outlook 2003. However, we do not recommend this configuration.

Mac email client requirements based on Exchange Server versions

If the manager or the delegate is using Microsoft Exchange Server 2003, then Entourage 2008 is required. If both the manager and delegates have mailboxes on Exchange Server 2007 or later versions, then both Entourage 2008 and Mac Outlook 2011 are supported.

Important Entourage clients cannot connect with a mailbox on Exchange Server 2007 or Exchange Server 2010 for delegate rights assignment unless public folders exist in the Exchange organization. If public folders do not exist in the Exchange 2007 organization, use one of the following workarounds:
  • Add a public folder store to Exchange Server.  For more information, click the following article number to view the article in the Microsoft Knowledge Base:
    924625 When you use Outlook with an Exchange 2007 mailbox, you cannot connect to Exchange 2007, and you receive an error message
  • Move both the delegate and the manager to Outlook 2013, Outlook 2010 or Outlook 2007 SP2 (or later versions). Outlook 2013, Outlook 2010 and Outlook 2007 do not require public folders in order to access a mailbox on Exchange Server 2007 (or a later version).  

Properties

Article ID: 924470 - Last Review: February 20, 2013 - Revision: 10.0
Applies to
  • Microsoft Outlook 2013
  • Microsoft Outlook 2010
  • Microsoft Office Outlook 2007
  • Microsoft Entourage 2004 for Mac
  • Microsoft Entourage 2008 for Mac
  • Microsoft Outlook for Mac 2011
Keywords: 
kbexpertisebeginner kbhowto kbinfo KB924470

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