Error message when Outlook synchronizes an offline address book with Exchange 2007: "0x8004010F"

Your organization has an offline address list generation server that is running Microsoft Exchange Server 2007. When you try to synchronize the offline address list in Microsoft Office Outlook 2003 with cache mode enabled or in Microsoft Office Outlook 2007 with cache mode enabled, you receive the following error message in the Sync Issues folder: When you try to synchronize the offline address list in Outlook 2007 without cache mode enabled or in Outlook 2003 without cache mode enabled, you receive the following error message:Note This issue occurs regardless of the Web-based distribution method or the public folder distribution method that is used.

This issue occurs if the Outlook client computer is configured to use proxy settings when Windows Internet Explorer is used. However, the IP address of the Exchange 2007 Client Access Server (CAS) server is not in the exclusion list.

To resolve this issue, follow these steps:

1. Start Internet Explorer, click Tools, and then click Internet Options.
2. On the Connections tab, click LAN settings.
3. Click to select the Bypass proxy server for local addresses check box, and then click Advanced.
4. Type the Exchange 2007 CAS IP address, and then click OK.
5. Restart Outlook.