Outlook shared contacts not updating
It scans your contacts and makes updates based on information in the GAL.You can share any of your Exchange Server account contact folders with another person who is also using an Exchange Server account in your organization.Optionally, you can grant them permission to modify the contacts.Contact sharing works through sharing invitation and sharing request e-mail messages.
The change log in the notes field displays the changed data, should it try to update the contact with old information. The key is the same for all versions of Outlook that support the Social Connector. HKEY_CURRENT_USER\Software\Microsoft\Office\Outlook\Social Connector DWORD: Run Automatic GALSync Possible Values: 0 (Never Sync) 1 (Update without Prompt) 2 (Prompt to sync) Default setting is Update without Prompting.Note: If you want to request access to an additional contacts folder that the recipient has created — not the default Contacts folder — you must send an e-mail message asking for permission to access that folder.