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Applies to: Exchange Server 2007 SP3, Exchange Server 2007 SP2, Exchange Server 2007 SP1

Topic Last Modified: 2007-06-28

Use the Remove-OfflineAddressBook cmdlet to remove (delete) offline address books (OABs).

Remove-OfflineAddressBook -Identity <OfflineAddressBookIdParameter> [-Confirm [<SwitchParameter>]] [-DomainController <Fqdn>] [-Force <SwitchParameter>] [-WhatIf [<SwitchParameter>]]

This cmdlet allows an administrator to remove an existing OAB. For example, if you want to uninstall a Client Access server that contains an OAB, you will have to remove the OAB and re-create it on another Client Access server.

To run the Remove-OfflineAddressBook cmdlet, the account you use must be delegated the following:

  • Exchange Organization Administrator role

For more information about permissions, delegating roles, and the rights that are required to administer Exchange Server 2007, see Permission Considerations.


Parameter Required Type Description




Use the Identity parameter to specify the GUID, distinguished name or offline address book name that represents a specific offline address book. You can also include the path by using the format Server\OfflineAddressBookName.

You can omit the parameter label Identity so that only the offline address book name or GUID is supplied.




The Confirm parameter causes the command to pause processing and requires you to acknowledge what the command will do before processing continues. You don't have to specify a value with the Confirm parameter.




This parameter specifies the domain controller to be used by the command.




If set to $true, this parameter forces the command to run now.




The WhatIf parameter instructs the command to simulate the actions that it would take on the object. By using the WhatIf parameter, you can view what changes would occur without having to apply any of those changes. You don't have to specify a value with the WhatIf parameter.


Error Description



Exceptions Description


In this example the Remove-OfflineAddressBook cmdlet is used to remove the offline address book named "My OAB" from Active Directory.

Remove-OfflineAddressBook -Identity "\My OAB"
To ensure that you are reading the most up-to-date information and to find additional Exchange Server 2007 documentation, visit the Exchange Server TechCenter.
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