Oab address book not updating

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Support for Outlook 2000 was dropped with Exchange 2007, Exchange 2010 only supports Outlook 2003 (post SP2). In the diagram below you can see this server is performing public folder AND web based distribution, this is probably because you ticked this box when you installed the product.

Exchange 2013 only supports Outlook 2007 (post SP3 and cumulative update), and Outlook 2010 must be at SP1 with cumulative update. For public folder distribution ensure the public folder database is mounted, and at least one server holds a replica.

Bear in mind, the process you need to follow is; 1. 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).

I’m convinced that you will be able to fix the issue, but you can only fix the issue if you know that an issue exists.

This will result in Autodiscover returning a non-working OAB Url to Outlook clients, and they won’t be able to download the OAB anymore.

At the bottom of this page, there is a short note on this and the powershell command to reset the reference to the default offline address book for mailbox databases) While it is obviously perfectly possible to create a new Offline Address Book using powershell, it may be just easier to do this with the EMC GUI.

The following simple powershell script may help you monitoring the timestamp of on your cas servers : Simply edit the variables at the top of the script : set email addresses, the folder path to (only specify the path, not the file name), set the number of hours you want to allow and schedule the script to run every hour or so.

(In my example above, I’m allowing the file to be 25 hours old.

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