Users GAL details for Outlook different from what it should be

Issue with a users email address  , basically when it is pulled from the GAL in Outlook it populates as ,  the actual address should be .    ,  this user had been disabled previously and re enabled

This is happening for a few users, any ideas?

Is it just a case of updating GAL on users outlook?
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Qlemo"Batchelor", Developer and EE Topic AdvisorCommented:
Are you certain it's an issue with GAL, not suggested contacts? The latter are built dynamically whenever email is sent or received, and can contain outdated info. It needs to be deleted on each account.
AmitIT ArchitectCommented:
Can you check in OWA? If it shows correctly in OWA. There there could be two reasons:

1) OAB has some update issue
2) Outlook is unable to download OAB.

I advise you to download OAB manually and check again.
Indie101Author Commented:
How do i best download OAB manually follow the link below is it?
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AmitIT ArchitectCommented:
Yes, that is the right way.
Michael B. SmithExchange & Active Directory ExpertCommented:
You don't say if you are on-premises or Office 365. But it can take some time before the current OAB contains all changes. On-premises, changes are updated in the OAB about every 480 minutes (8 hours). Of the top of my head, I don't know what the delay is in Office 365.

If you are on-premises, you can force the OAB to update:

Get-OfflineAddressBook | Update-OfflineAddressBook

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Indie101Author Commented:
Thanks it worked for one users (all other users created in past month -4 of them didnt work)

Is there a way to update this through powershell in Exchange Management shell to do it across the board for every user without having to download OAB?

Using Exchange 2010
Michael B. SmithExchange & Active Directory ExpertCommented:
If you executed the command I specified, all OABs are updated. OABs read their information directly from Active Directory.

A user's Outlook will attempt to download an updated OAB about 15 minutes after the next time Outlook is closed and re-opened.
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