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OAB generation is controlled by the mailbox assistant named OABGenerator Assistant that runs under the Microsoft Exchange Mailbox Assistants service.
OAB generation occurs in a designated arbitration mailbox that has the . To change the OAB generation schedule, see Change the offline address book generation schedule in Exchange Server.
Exchange Server contains the improvements to OAB generation that were introduced in Exchange 2013 Cumulative Update 7 (CU7): To find all organization mailboxes, and the organization mailbox that's defined for an OAB, see Use the Exchange Management Shell to find organization mailboxes.
To see the input types that this cmdlet accepts, see Cmdlet Input and Output Types (https://go.microsoft.com/fwlink/p/? If the Input Type field for a cmdlet is blank, the cmdlet doesn't accept input data.
Although this topic lists all parameters for the cmdlet, you may not have access to some parameters if they're not included in the permissions assigned to you.
To find the permissions required to run any cmdlet or parameter in your organization, see Find the permissions required to run any Exchange cmdlet (https://technet.microsoft.com/library/mt432940.aspx).
These changes were introduced in Exchange 2013: For OAB procedures, see Procedures for offline address books in Exchange Server.
To learn more about address lists, see Address lists in Exchange Server.
Client requests for the OAB are proxied by the Client Access (frontend) services on a Mailbox server to this backend location.