If a user notices that his or her contact information was changed or moved in Outlook, the user may be experiencing GAL synchronization. If this is the case, see Disable global address list synchronization for Outlook 2010.
Note You can disable this function by changing registry settings or the Group Policy Object (GPO). However, you can do this only on a local client.
Article ID: 2923188 - Last Review: 3 Jan 2014 - Revision: 1