The OAB Generation till Exchange Server 2010 was based on a “Schedule” set on OAB properties. Note: Review guidelines mentioned in “Placement of Organization Mailbox” below before creating additional organization mailboxes. Set-Mailbox -Arbitration oabs -OABGen $true -MaxSendSize 1GB
New-Mailbox -Arbitration -Name "OAB Seattle" -Database DB2Seattle -UserPrincipalName –DisplayName “OAB Mailbox for Seattle” Creating a new Organization MailboxĪdministrators can create additional Organization Mailboxes for fault tolerance or for serving users in a geographically disbursed Exchange deployment.Ĭreating a new Organization Mailbox is a two step process: Note: Review guidelines mentioned in “Placement of Organization Mailbox” below before changing the OAB Generation server. Move-ActiveMailboxDatabase DB1 -ActivateOnServer Exch2 The following command can be used to activate DB1 on Exch2 and therefore make it the OAB generation server:
This method is suited for environments that have multiple copies of the mailbox database hosting Organization Mailbox.ĭB1 hosts the Organization Mailbox and has copies on servers Exch1 and Exch2. This method is more suited for environments that have single copy of mailbox database hosting the Organization Mailbox.Īctivate the mailbox database on another server Get-Mailbox -Arbitration | where | New-MoveRequest -TargetDatabase db2 We will refer this mailbox as “Organization Mailbox” throughout the article.Įxchange Server 2013 mailbox server hosting the Organization Mailbox will generate all OAB’s defined in the environment.įor a non-DAG environment, use following command to identify the OAB Generation servers: The arbitration mailboxes in Exchange Server 2013 are assigned certain “Persisted capability” that defines the purpose/function of the arbitration mailbox.Īn arbitration mailbox with Persisted Capability “OrganizationCapabilityOABGen” is responsible for OAB generation. New-OfflineAddressBook -Name OAB-FAB -AddressLists "Global Address List FAB" Identify the OAB generation server(s) The following example creates OAB for address list named “Global Address List FAB” In order to create a new OAB, you should only specify the address lists to be required. Set-ADServerSettings -ViewEntireForest $true Creating a new OABĬreating a new OAB in Exchange 2013 no longer uses the -Server parameter. Note: If you are in multi-forest Active Directory domain environment, make sure the Shell session has ViewEntireForest is enabled, else some of the commands in the article won’t return any output. This article takes you through commonly performed tasks in OAB administration and has a couple of real life scenarios to help understand the tasks better. This means that, at this time, you will need to use Exchange Management Shell for OAB-related tasks. Additionally, the new Exchange Admin Center does not currently have options for managing OABs. The OAB management and administration is different in Exchange 2013 because of architecture changes. Take a few moments to visit the article if you haven’t seen it yet or re-visit it for a quick refresher. The Exchange team blog article OAB in Exchange Server 2013 introduced the new Offline Address Book (OAB) generation and distribution architecture in Exchange Server 2013.
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