Sandy Donald has recently reported on the UKSBSG Yahoo! group that he has seen an issue with Outlook 2007 connecting to the GAL over RPC/HTTP (or Outlook Anywhere if you prefer). He reports the following in his post: "I did some more digging and testing. My conclusions are that after the application of Office 2007 SP2, Outlook cannot reconnect to directories over http. It can reconnect to mailbox and public folders but not directories. So, GAL is not available and the offline message appears. I have restored a client to the pre Office SP2 install status using System Restore (having proven the issue on this client by installing SP2) and after the rather lengthy process of Office 2007 having to do a lot of reconfiguring when Outlook is started (after the System Restore) including an apparently necessary reboot, and error 1719 Windows Installer, - but no reboot occurred. Anyway Outlook 2007 is back to SP1 and, hey presto, Gal is visible and directories are connected over http. You know, on the Outlook client...