running a successful speed dating event - Force updating gal

You can disable the option “Download changes since last Send/Receive” to make sure you get a complete fresh copy of the OAB but this could take longer to download.

You can read all about how OAB via DFS works by visiting this link about Exchange polling times and OAB distribution.

Now that we know it isn’t working by design, how do we fix it? We do this through the Exchange Management Shell: Make sure you substitute in your Client Access Server where the OAB is distributed with ‘servername’ above.

Is there any way I can force a manual update of the Offline Address Book (OAB) in Outlook or reset it completely otherwise?

In general, Outlook will automatically update the Offline Address Book (OAB) for Exchange accounts once every 24 hours.

Ever had a new user appear in the “All Users” Address list that you can access via your Address Book but that DO NOT APPEAR inside the Global Address Book (GAL)?

These are most likely users that have only recently been added…because the minute that Exchange does it’s standard maintenance window, it will most likely update.

But what if, like me, you need to have it update right away due to something like a Black Berry server?

Through trial and error, I’ve found out WHY the user is not put into the Global Address List right away and how you can force it there.

In Outlook 2013 and Outlook 2016, you’ll find that this option is no longer available as full details are also used to build the Contact Card.

Another way to make sure that you get a fresh copy of the OAB is by renaming the oab-files to when Outlook is closed.

So, you added Joe Smith to the company and you’ve right-click updated the “All Users” address list so he can be included in distribution lists and so that he receives emails on dynamic distribution lists. But wait, Joe is not appearing inside the GAL/OAB you just updated! If you’re using the web distribution of the offline address book, the Exchange Client Access Server waits for a ‘polling time’ to arrive before it updates…just like any standard DFS (distributed file system) in Active Directory.

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