/Microsoft Exchange System objects/OAB version 2″ is invalid and couldn’t be updated.” This warning occurs in my situation way after the migration of exchange 2007 to exchange 2013.So I am unable to use the old GUI of Exchange 2007. You can select all of them by selecting the first one, scrolling to the end of the list, and click the last item.This will update contact information, pictures, phone numbers, etc. Now you have the most up-to-date information from Active Directory in your local address book. Under Send/Receive Groups, you should see an option to "Download Address Book." Now you will be prompted for a few options, and you can choose to update from the Global Address List (this is how your AD should push out contacts). I download the full address book and it loads for a couple of seconds. I open some contact which I haven't updated yet, click on update - it is updated.
It addresses business continuity, emergency preparedness, DR, productivity, and employee reachability.
You do a search of the Global Address List from your smart Phone but you don’t have enough wireless signal.
Being in the basement, you head back up the stairs and hover by a window.
If you are a system admin that is on the lookout for ways to optimize the smartphone experience, GAL search maybe a weak link.
Many organizations prefer to sync the Jamie Gomez has a lab in the basement of the oldest building on campus. You open the contacts icon on your i Phone and discover that he isn’t in your address book.
Right click on Default Offline Address List and click on Rebuild.