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How to turn off Windows SharePoint Services features in Outlook 2003

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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.

Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows Registry
By default, Microsoft Windows SharePoint Services features are turned on in Microsoft Office Outlook 2003. In cases where administrators do not want their Outlook 2003 users to have access to Windows SharePoint Services features, it is possible to turn off these features.
To turn off Windows SharePoint Services features for Outlook 2003 users, do the following.

Warning If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
  1. Start Registry Editor.
  2. Locate the following registry key:
  3. In the left pane, right-click Preferences, point to New, and then click DWORD Value.
  4. Type DisableSTS to name the new DWORD value.
  5. Double click DisallowSTS to edit the DWORD value that you just created, type 1 in the Value data box, and then click OK.
When a user clicks a Windows SharePoint Services link (sstssync:// ) after the administrator configures the registry setting, they receive the following message:
A request has been received to add the following SharePoint Team Services folder to Outlook:

site_name - list_name (url)

Outlook can’t add the folder because linking Outlook folders to Windows SharePoint Services isn’t allowed on this computer

Article ID: 831057 - Last Review: 02/05/2007 19:14:52 - Revision: 1.6

  • Microsoft Office Outlook 2003
  • Microsoft Windows SharePoint Services 2.0
  • kbhowto kbinfo KB831057