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How to have Global Address List updated immediately?

We have only one OU on an Exchange 2010. We need to change a user's email address and want to get it updated immediately on the Global Address List so the new address can be taken into effective right away.

I've changed his address in Recipient Config/ Mailbox and then did the Download Address Book in the users' Outlook. But his email address is still not updated in Outlook. Did I miss anything?

SOLUTION

davorin

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SOLUTION

Stelian Stan

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Castlewood

ASKER

I issued the comand on EMS about 30 mins ago but the new email address is still not shown up in the Outlook GAL. (I did run Download Address Book each time inside Outlook.) The change does show up in the OWA's global address book though.

What could be wrong?

Stelian Stan

It take time for update to show in Outlook: http://support.microsoft.com/kb/841273

Q5: How frequently is the offline address book updated on the Outlook client?

A5: If left constantly running, Outlook in cached mode automatically updates the offline address book on the client every 24 hours. The 24-hour time period is measured from the time that the offline address book was last downloaded successfully. For example, if you complete an offline address book download at 09:00 today, Outlook will start the offline address book download the next day at approximately 09:00. Therefore, different people will receive updates at different, random times.

Castlewood

ASKER

This is a little confusing then.
Look, the EMS command actually updated the GAL already. and I do know how to manually download Global Address Book in Outlook. If the GAL has been updated and the diffential file is updated ready how come after I manually download the GAB and still see no update in Outlook?

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Simon Butler (Sembee)

The wrong command was given above.
To force an update of the OAB you need to run

get-offlineaddressbook | update-offlineaddressbook

However you will not be able to force the clients to download the OAB automatically.

If it works in OWA then the change is active, it is just the OAB that is out of date.

Simon.

Castlewood

ASKER

Found the cause: I need to delete the all .oab files on this pc.

Both of the following commnads seems to be working the same in this case.
Get-GlobalAddressList | Update-GlobalAddressList
get-offlineaddressbook | update-offlineaddressbook