The recommendation is to enable global web distribution for all OABs hosted on Exchange 2016. Get-MailboxDatabase | Set-MailboxDatabase -OfflineAddressBook “\Default Offline Address Book (Ex2016)” Get-OabVirtualDirectory | ft identity,internalurl,externalurl -AutoSizeģ)Change the default OAB on Exchange 2016 databases, to do so open Exchange 2016 Management Shell and run the following command: Run the below command to check the settings New-OfflineAddressBook –name “OAB NEW” –Addresslists “\Default Global Address List” -VirtualDirectories $nullĢ)Make sure 2016 OAB Virtual Directories URL’s are pointing to the Exchange 2016 Servers. In Exchange 2016, the OAB files are generated and stored in the Organization arbitration Mailbox with persisted capability first and later copied to the location %ExchangeInstallPath%\ClientAccess\OAB\ folder in the Mailbox Server.īelow are the important things to perform:ġ) When we introduce Exchange 2016 we need to create a new Offline Address Book The OAB files are stored in the same place as we have in Exchange 2013 CAS server but now it will be on Exchange 2016 Mailbox server itself since we do not have the CAS role.
Get offline address book server download#
Outlook will trigger an OAB download every 24 hours right from the time it received the last fully updated OAB files.Ī small background functionality of OAB from Exchange 2016:ġ)Outlook Queries OAB through Autodiscover URL.Ģ)Reaches the Exchange 2016 mailbox OAB Virtual Directory.ģ)Exchange 2016 Mailbox Client access service queries Active Manager and finds out database hosting organization Arbitration mailbox.Ĥ)Then OABGen Assistant from the Arbitration mailbox will provide the required information.ĥ)Like with Exchange Web Services, Autodiscover will provide the Offline Address Book URL.This request will then be proxies to OABGEN mailbox which had the OAB information and this information is served back to the client. In this article we will have a look at the OAB configuration in Exchange 2016 in coexistence.
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