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How to configure Cached Exchange Mode for existing Outlook profiles

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Microsoft ended support for Office 2003 on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

Summary
Consider the following scenario. In a Microsoft Exchange organization, Microsoft Outlook clients that have Exchange accounts in their profiles are not configured to use Cached Exchange Mode consistently. As an administrator, you want to make sure that all Outlook clients that have Exchange accounts use Cached Exchange Mode. In order to change existing Outlook profiles, you must use Group Policy. This article contains general information and references to help you complete this task.
More information
This section provides details to help you administer the Outlook Cached Exchange Mode settings.

Outlook 2003

You cannot use the Office 2003 Custom Installation Wizard (CIW) or deploy a .prf file to change the Cached Exchange Mode setting for existing profiles. The CIW can be used only to enable the Cached Exchange Mode setting for new Outlook profiles. To enable the Cached Exchange Mode setting for existing Outlook profiles, you must use Group Policy settings.

For more information about how to configure Outlook 2003 by using Group Policy, click the following article number to view the article in the Microsoft Knowledge Base:  
826170 Administrators can use Office policy templates with the Group Policy settings of Windows
The policy value that controls the Cached Exchange Mode setting is at the following registry location:

Key: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Office\11.0\Outlook\Cached Mode
String name: Enable
Value: 0 (to disable, default); 1 (to enable)
If this policy is configured, the Use Cached Exchange Mode check box is disabled in the Outlook user interface.

Outlook 2007

You cannot use the 2007 Microsoft Office system Customization Tool (OCT) or deploy a .prf file to change the Cached Exchange Mode setting for existing profiles. The OCT can be used only to enable the Cached Exchange Mode setting for new Outlook profiles. To enable the Cached Exchange Mode setting on existing Outlook profiles, you must use Group Policy settings.

For more information about how to configure Outlook 2007 by using Group Policy, click the following article number to view the article in the Microsoft Knowledge Base:
924617 Administrators can use Office policy templates with the Group Policy settings of Windows

Outlook 2010

You cannot use the Office 2010 Office Customization Tool (OCT) or deploy a .prf file to change the Cached Exchange Mode setting for existing profiles. The OCT can be used only to enable the Cached Exchange Mode setting for new Outlook profiles. 

Note In the Office 2010 OCT, the explanation text for the Cached Exchange Mode setting states that the OCT can be used to change the setting for both new and existing profiles. The statement is incorrect.

To enable the Cached Exchange Mode setting on existing Outlook profiles, you must use Group Policy settings.

For more information about how to configure Outlook 2010 by using Group Policy, view the following Microsoft TechNet websites:
Properties

Article ID: 2172887 - Last Review: 10/24/2013 16:02:00 - Revision: 5.0

Microsoft Office Outlook 2003, Microsoft Office Outlook 2007, Microsoft Outlook 2010

  • KB2172887
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