Exchange 2010 OAB clarity

Posted on 2013-10-04
Medium Priority
Last Modified: 2013-10-07
In Exchange 2010 The OAB by default downloads a copy to a clients machine in cached mode every 24 hours by default. However, The pollinterval variable sends updates to the client access server from the mailbox server every 480 seconds by default. Are these changes viewable every 8 hours by manually downloading a new address book and or partial.

I was reading this info here but it did not explicitly say so and I did not want to wait 8 hours to find out ;)

Question by:techdrive
1 Comment
LVL 63

Accepted Solution

Simon Butler (Sembee) earned 2000 total points
ID: 39546552
The OAB is only generated once a day by default.
That is possible to change.
You can also force it thus:

get-offlineaddressbook | update-offlineaddressbook

The variable I think you are referring to is the distribution variable. This is where the servers are looking for new OAB files and has nothing to do with the client distribution. That is because the OAB can only be generated on one server, it is then distributed to other servers for clients to access.


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