Exchange/Outlook Global Addresslist GAL does not show Updates

by butsch 28. November 2013 16:21

Exchange 2007/2010, Outlook 2003-2007-2010-2013, Offline address book / GAL / OAB


This is one of the most asked problems we have during the years. Still a clue how Microsoft can't solve it out of the box.


Newly changed or added Mailbox users do not appear in the GAL (Global Addresslist on some clients)

First make sure the box IS NOT checked:

Make sure your Mailboxes POINT to the correct Address book you intend to use:


Many solutions >

Wait 24hrs and sometimes it will appear magic


On the Exchange CAS Server:

Update OAB on mailbox server with GUI



Also Force this in Powershell



Delete the full Content of the Folder (Example D: Installation)

D:\Program Files\Microsoft\Exchange Server\V14\ClientAccess\OAB

Generate new adressbooks /Publish that to all CAS with Powershell:

Get-OfflineAddressBook | Update-Offlineaddressbook

Update-FileDistributionService "cas1"

Update-FileDistributionService "cas2"




Restart Exchange File Distribution service on CAS



On the OUTLOOK.EXE Client machine


Go to "C:\Users\username\AppData\Local\Microsoft\Outlook\Offline Address Books\****\*.OAB" Delete all files with .oab

Update Offline Address book in outlook.exe and Press F9, manually update OAB and OST file.



Exchange 2003/2007/2010, Problem, Outlook.exe, Update, Adressen, Globale Adressliste, E-Mail kein Update



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