Article ID: 2746896 - View products that this article applies to.
When you attempt to resolve the email address for someone in your Microsoft Exchange organization, the process may take longer than expected. Or, if you are working offline, you are unable to resolve any names for people in your Exchange organization.
This problem occurs if Outlook is not using local Offline Address Book (OAB) files to resolve names. Instead, Outlook is performing name resolution using the online Global Address List (GAL). If you are in Online mode, this is to be expected. However, if you are in Cached mode, the default configuration is to always download the OAB locally and use it for name resolution.
To resolve this problem, download the Offline Address Book using the following steps (depending on the Outlook version).
(http://support.microsoft.com/kb/2619347)HTTP version of the Outlook Offline Address Book (OAB) does not download
NOTE: If the OAB does not automatically download and you have to manually download the OAB each time (using the above steps), please check for the existence of the DownloadOAB value in the registry. The following article provides complete details on this registry value.
823580 How to configure how the Offline Address Book is downloaded when you use Outlook in Cached Exchange Mode
Use the following steps to determine if you are using the online GAL for name resolution instead of local .oab files.
Outlook 2003 and Outlook 2007
Article ID: 2746896 - Last Review: September 3, 2013 - Revision: 8.0
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