IMAP Migration Zimbra to M365

KETATA Rami 51 Reputation points
2022-08-26T14:01:30.023+00:00

Hello,

to create the CSV file of user mailboxes using admin credentials to access them, which format of UserName column supported by Zimbra?

According to the documentation below, the supported format for mailbox admin credentials is different depending on source email system :

https://learn.microsoft.com/en-us/exchange/mailbox-migration/migrating-imap-mailboxes/migrate-other-types-of-imap-mailboxes#create-the-list-of-user-mailboxes-when-you-know-the-user-passwords-or-youll-reset-the-passwords

Anyone already did a migration from Zimbra IMAP system using admin credentials to access user mailboxes?

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Accepted answer
  1. Joyce Shen - MSFT 16,371 Reputation points Microsoft Vendor
    2022-08-29T02:57:08.437+00:00

    Hi @KETATA Rami

    According to my research, the correct format is like the Mirapoint format:
    235626-image.png

    Here is a thread discussed the similar question:
    https://forums.zimbra.org/viewtopic.php?t=7881#:~:text=So%20I%20happened%20upon%20this%20thread%20with%20the%20same%20issue%20and%20after%20some%20trial%20and%20error%20I%20found%20the%20correct%20formatting.%20If%20you%20use%20the%20Mirapoint%20format%20from%20the%20article%20above%20it%20works.

    Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.


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  1. KETATA Rami 51 Reputation points
    2022-10-07T10:03:48.07+00:00

    @Joyce Shen - MSFT ,

    I confirm the format for the IMAP migration from ZIMBRA

    EmailAddress,UserName,Password
    terrya@Company portal .edu,#terry.adams@contoso-students.edu#mailadmin#,P@ssw0rd
    annb@Company portal .edu,#ann.beebe@contoso-students.edu#mailadmin#,P@ssw0rd
    paulc@Company portal .edu,#paul.cannon@contoso-students.edu#mailadmin#,P@ssw0rd