Is Outlook ignoring their OAB and getting a live copy of the GAL? If you have more than 1 Active Directory site, just the site you're experiencing issues in should do it. If you don't do this, it can take a substantial amount of time for the clients to update the OAB.
However, if you click on the After opening the address book, many users scroll up and down only to realize that they don’t see the contact they need.Users will eventually need to call a co-worker that isn't in their address book. Half of your users will fail at this task and the other half won't find it a productive experience.We can overcomes these challenges with a GAL Sync strategy.This is my issue: We are using Exchange 2010 and Outlook 2007.Last week we added a new conference room in Exchange.This next post is going to talk in detail about GAL segmentation setup in Office 365.