Global address book not updating new users

18 Jan

The command for the manual update procedure can be found here: Outlook will automatically download updates only unless the size of the changes is larger than 12.5% (one-eighth) of the total OAB size.

In that case the whole OAB is being downloaded again.

Please use the steps below to update your Global Address Book.

In order for some GAL entries to show up properly you may need to turn off Cached Exchange Mode.

When changes occur within the main Global Address Book (GAL) on the Exchange server, computers running Outlook 2007, 2010, and 2013 may not automatically receive the updates.

If this is happening, then you may notice missing, non-existent and/or incorrect entries.

If you are using Outlook 2003 or 2007 you may be in "Cached Mode", and you are looking at a copy called the "Offline address book" This only gets updated Every 24 hours, and the copy on the server only gets updated every 24 hours at (by default).

24/02/13If you create a new user, give them a mailbox, and they seemingly fail to appear then don’t panic! If you receive an error message then you can investigate further (Note: Set your Outlook client to send you a delivery report on the test email as well).Even though Outlook is the last in the chain, it is often the first level where the troubleshooting takes place as usually this is where the request is coming from.And since this website’s main focus is on Outlook, it makes sense to start with Outlook as well ;-).Microsoft is conducting an online survey to understand your opinion of the Technet Web site.If you choose to participate, the online survey will be presented to you when you leave the Technet Web site. Some initial investigation resulted in pointing the finger at the offline address book.On computers experiencing this problem when you go to Send / Receive tab Download address book, the task just hangs there forever. IIS Logs on the Exchange 2007 server indicate hits on the file with a status code of 200 0 0.Due to various synching schedules, it can take up to 48 hours before you could actually see a change in Outlook after a modification has been made on the Exchange server or in Active Directory.In this guide, the relevant timings are explained and instructions are given in how you can directly force an update and resync, which can be very handy when troubleshooting or when you work in an Exchange environment which sees a lot of user mailbox mutations.When you have Cached Exchange Mode enabled, Outlook by will by default cache the main Global Address List as well.This is called the Offline Address Book and is being generated on the Exchange server.