Outlook 2016 cached mode global address book not updating

Posted by / 06-Oct-2020 08:37

This can mean that new accounts or distribution lists are not available to all clients straight away.

It can take up to 24 hours before all clients have the new or updated accounts in their Address Book.

One solution which is of particular interest is to get Outlook to use the online Global address list while working in cached mode itself.The Outlook cached mode feature was designed to reduce network traffic between the Outlook clients and the Exchange server.It also creates a faster response time of the Outlook client (especially when opening large attachments) and gives the ability to work offline.It should be noted that mobile users should be avoided from this registry edit as they won’t have an address book otherwise (while working offline)!HKEY_CURRENT_USERSoftware Microsoft Office14.0Outlook Cached Mode Parameter: Download OAB Type: REG_DWORD Value: 0 HKEY_CURRENT_USERSoftware Microsoft Office12.0Outlook Cached Mode Parameter: Download OAB Type: REG_DWORD Value: 0 HKEY_CURRENT_USERSoftware Microsoft Office11.0Outlook Cached Mode Parameter: Download OAB Type: REG_DWORD Value: 0 Setting the value to zero prevents OAB download and forces Outlook to use the global address list. Note If files were previously downloaded and associated with an Outlook profile, this setting will not have the correct effect.

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Therefore, not all the information in the GAL is available in the offline address book.