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Query on Address book

Glenn Maxwell 11,621 Reputation points
2024-11-11T22:27:20.25+00:00

Hi All,

I have renamed the display name and email address of an exchange online distribution list. I believe the address book updates once every 24 hours. Is it possible to manually update the offline address book so that users can see the new DL display name and email address.

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  1. Xintao Qiao-MSFT 4,315 Reputation points Microsoft Vendor
    2024-11-12T09:09:16.32+00:00

    Hi, @Glenn Maxwell

    Yes, you can do manually update the Exchange Online Offline Address Book (OAB) so that users can see the new distribution list display name and email address.

    Here are two things you can try:

    1.Run the following command to force an OAB to be generated:

    Update-OfflineAddressBook -Identity "Your OAB Name"

    Once you update your OAB, you need to distribute it. Run the following command:

    Get-OfflineAddressBook | Update-FileDistributionService -Identity "Your OAB Name"

    In addition, you can manually download the updated OAB, as shown in the following figure.

    User's image

    2.The Microsoft Exchange Mailbox Assistant service on Mailbox Role is responsible for generating OAB. Restarting this service generates all OAB’s defined in the environment on a specific mailbox server, if it’s hosting an active organization mailbox.

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".

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  1. Glenn Maxwell 11,621 Reputation points
    2024-11-12T11:16:37.2233333+00:00

    is the below syntax correct.

    oab

    Update-OfflineAddressBook -Identity "Offline Global Address List" 

Get-OfflineAddressBook | Update-FileDistributionService -Identity "Offline Global Address List"

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