Outlook is helping you complete other activities and does not allow the address book update to interfere.
My computer slows down when Outlook shows the "Updating Address Book" status. In computers with slow hard disk drives, such as portable computers, or running Outlook in a Virtual machine, the process of updating the address book can slow down the computer if the hard disk is fragmented.
Note: To locate this option, follow these steps: On the Tools menu, point to Send/Receive, point to Send/Receive Settings, and then click Define Send/Receive Groups. When you click to select the Download offline address book check box and then click Address Book Settings, the Offline Address Book dialog box appears.
If you go to Tools -- Download Address Book, does it successfully update?
That will rule out a communications issue in receiving differential OAB updates. There's a lot of server-side info there that won't help you, but there are some client-side settings you can change to monitor & adjust Outlook's OAB-fetching behavior.
In order to reflect any changes or updates made to the Global Address List, you can force Outlook to download a new copy of the GAL.
–For Instructions for Outlook 2007 –For Instructions for Outlook 2011 –For Common errors and troubleshooting Step 2: Uncheck the box next to Download changes since last Send/Receive.
It's possible that you're looking for the new users before your interval period has expired.
To additionally complicate things, the OAB on the server is by default generated once per day, at midnight.
But when I restore cached mode and restart outlook it's missing again. I tried deleting the This should be a server-level setting.
Your Exchange admin should be able to configure the time interval between updates for your Offline address book downloads.
I wrote this for my IT Dept for that same problem: ISSUE: You have an Outlook client in cached mode that is not updating the OAB (Offline Address Book). Next time you start Outlook it will re-download the address book and create new OAB files.
The problem was the oab files got corrupt and would not catch new updates.
A status window will open to indicate that the download is in progress and will close automatically when the download is complete.