Concepts
1. Launch the Exchange Management Shell by opening the Microsoft 365 admin center and navigating to the “Admin centers” section. From there, click on “Exchange” to open the Exchange admin center.
2. In the Exchange admin center, go to the “Hybrid” tab and select “Migration Endpoints.” Click on the “New” button to create a new migration endpoint.
3. In the “Select the migration endpoint type” page, choose “Outlook Anywhere (RPC)” as the endpoint type and provide a suitable name for the endpoint. Click on “Next” to proceed.
4. On the “Outlook Anywhere (RPC) endpoint” page, enter the server name of your Exchange server and the Outlook Anywhere external URL. You can find these details in the Exchange Control Panel. Click on “Next” to continue.
5. In the “Credentials for the target domain” page, provide the username and password for the mailbox that has the necessary permissions to access the OAB. Click on “Next” and then “Finish” to create the migration endpoint.
6. After creating the migration endpoint, go to the “Recipients” tab in the Exchange admin center and select “Migration.” Click on the “+” icon to create a new migration batch.
7. In the “New migration batch” wizard, select “Move to Exchange Online” as the migration type. Choose the mailboxes for which you want to generate the OAB and click on “Next.”
8. On the “Full migration” page, select “Automatically start the batch” and choose the migration endpoint that you created in Step 3. Click on “Next” to proceed.
9. Specify a name for the migration batch and review the batch settings on the “Start the batch” page. Click on “New” to create the batch, which will initiate the OAB generation process.
Removing an Offline Address Book:
1. Launch the Exchange Management Shell by following the steps mentioned in the previous section.
2. In the Exchange admin center, navigate to the “Organization” tab and select “Offline Address Book.”
3. On the “Offline Address Book” page, select the OAB that you want to remove, and then click on the “Remove” button.
4. A confirmation message will appear asking if you want to remove the selected OAB. Click on “Yes” to proceed.
5. Once the OAB is removed, the users who have already downloaded it will no longer see it in their Outlook clients.
In conclusion, by following the aforementioned steps, you can easily add or remove an Offline Address Book in Microsoft 365 Messaging. This enables your users to access and utilize the address book functionality efficiently, even when they are offline.
Answer the Questions in Comment Section
Which PowerShell cmdlet is used to add a new offline address book (OAB) in Microsoft 365?
a) New-OabVirtualDirectory
b) Set-OfflineAddressBook
c) New-OfflineAddressBook
d) Add-OfflineAddressBook
Correct answer: c) New-OfflineAddressBook
True or False: Only global administrators can add or remove an offline address book (OAB) in Microsoft
Correct answer: False
How can you remove an offline address book (OAB) in Microsoft 365 using Exchange Online PowerShell? (Select all that apply.)
a) Remove-OfflineAddressBook
b) Set-OfflineAddressBook
c) Delete-OfflineAddressBook
d) Disable-OfflineAddressBook
Correct answer: a) Remove-OfflineAddressBook, c) Delete-OfflineAddressBook
When adding a new offline address book (OAB) in Microsoft 365, which parameter specifies the name of the new OAB?
a) -Name
b) -Identity
c) -DisplayName
d) -NewName
Correct answer: a) -Name
True or False: When adding a new offline address book (OAB) in Microsoft 365, the default generation schedule is daily at 5 AM.
Correct answer: True
Which of the following must you consider before removing an offline address book (OAB) in Microsoft 365? (Select all that apply.)
a) Users may experience issues accessing address book data while the OAB is being removed.
b) Active Directory synchronization may be impacted.
c) The removed OAB cannot be restored once deleted.
d) Offline clients may need to re-download the OAB after removal.
Correct answer: a) Users may experience issues accessing address book data while the OAB is being removed, d) Offline clients may need to re-download the OAB after removal.
True or False: Removing an offline address book (OAB) in Microsoft 365 automatically deletes the associated virtual directory.
Correct answer: True
How can you add an offline address book (OAB) in Microsoft 365 using the Exchange admin center? (Select all that apply.)
a) Navigate to Recipients > Offline address book.
b) Click on the plus (+) button to create a new OAB.
c) Specify the OAB name, generation schedule, and other settings.
d) Apply the changes and wait for the OAB to be created.
Correct answer: a) Navigate to Recipients > Offline address book, b) Click on the plus (+) button to create a new OAB, c) Specify the OAB name, generation schedule, and other settings, d) Apply the changes and wait for the OAB to be created.
How can you verify the existence of an offline address book (OAB) in Microsoft 365 using PowerShell? (Select all that apply.)
a) Get-OfflineAddressBook -Identity “OAB Name”
b) Get-OabVirtualDirectory -Identity “OAB Name”
c) Test-OabConnectivity -AddressBookMailbox <AddressBookMailbox>
d) Get-AddressList
Correct answer: a) Get-OfflineAddressBook -Identity “OAB Name”, b) Get-OabVirtualDirectory -Identity “OAB Name”
True or False: When removing an offline address book (OAB) in Microsoft 365, the OAB files are immediately deleted from the disk.
Correct answer: False
Can someone explain the process of adding a new Offline Address Book (OAB) in Exchange Online?
I’m having trouble with removing an OAB. Can someone walk me through it?
This blog post is really helpful, thanks!
I think the instructions are a bit unclear in some parts.
How do I make an OAB the default for my organization?
Is there a way to programmatically check which OAB a mailbox is using?
Great blog post, very informative!
Can you add screenshots for the GUI process of adding an OAB?