Outlook 2013 not receiving updated GAL from Exchange 2010

New users added to Exchange 2010 are not showing up in the Global Address List on Outlook 2013 clients.  I have tried forcing a sync of the calendar and the users still do not show up.  If I check the GAL on OWA or on Outlook 2003 the GAL is correct.
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Nathan PSystems ArchitectCommented:
The GAL takes up to 24 hours to rebuild if left to it's own devices.

You can try a force rebuild of the GAL.  

Open Exchange Management Console
- Organization Configuration
-- Mailbox
--- Offline Address Book tab
----- Right click the "Default Offline Address Book" and select 'Update'.
PDISAuthor Commented:
The users have been in the system for much more than 24 hrs.  I did try forcing a rebuild.  I followed the instruction in the link given by NRhode and it worked if I manually deleted the .oab from the user profile.  However doing this for every user especially if I have to do it everytime I change the GAL is not practical.
Nick RhodeIT DirectorCommented:
You can check the permissions on the OAB directory and see if authenticated users is missing.

On the Exchange server navigate to the following:  C:\Program Files\Microsoft\Exchange Server\ClientAccess\OAB
Right-click the web.config file and select properties
Authenticated Users under the security tab with the following permissions
- Read
- Read & Execute

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PDISAuthor Commented:
That did it!  Thanks so much!
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