You can use Group Policy to set policies that manage how Outlook and Windows SharePoint Services int...
You can use Group Policy to set policies that manage how Outlook and Windows SharePoint Services interact for users in your organization. You can set a policy to specify the time interval between information synchronizations or you can disallow linking altogether.
You can change the synchronization interval to make it longer, if, for example, users are linked from Outlook to a large group of Contacts which would trigger a time-consuming synchronization; or shorter, if users need access to updated information at all times. You can even turn off automatic synchronization. However, regardless of how the synchronization interval setting is configured, linked folders are automatically synchronized when users switch to one of these folders.
To set the synchronization interval for updating Outlook folders
In Group Policy, load the Outlook 2003 template (Outlk11.adm).
Under User Configuration\Administrative Templates\Microsoft Office Outlook 2003\SharePoint Integration, double-click Sharepoint folder sync interval.
Select Enabled to enable configuring the policy.
In the Select interval to sync Sharepoint folders: (minutes) box, enter a decimal value (or use the up and down arrows to select a value), then click OK.
Another option is to use a policy to disallow any linking between Outlook and Windows SharePoint Services for your users.
To disable linking between Outlook and Windows SharePoint Services
In the Group Policy snap-in, load the Outlook 2003 template (Outlk11.adm).
Under User Configuration\Administrative Templates\Microsoft Office Outlook 2003\SharePoint Integration, double-click Disable Sharepoint integration in Outlook.
Select Enabled to enable configuring the policy.
Select Check to disable Sharepoint integration in Outlook, then click OK.