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Patrick Touchette

SBS 2008 cutoff email migration to 365 - mailbox passwords

Hi everyone,

Emails are being sent right now to Microsoft 365 from my SBS 2008 server via cutoff migration...Since mailbox passwords are not synced with 365, what passwords are given to each mailbox? And if I install Azure AD Sync on my new 2019 box, will it assign my domain users passwords back to their new 365 mailboxes ?

Other things that come to mind : if mailboxes have multiple email addresses, are these also migrated? And autocomplete from each user, it that migrated also ?  Every user is going to freak if they lose their autocomplete!

Patrick

asked09/11/2021 04:17
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Last Activity 09/15/2021 08:57

2 Answer(s)

  • Mariette Knap

    You should see a list with passwords or you can reset them but even better is to install Azure ADsync. Read Azure AD Connect and Azure AD Connect Health installation roadmap. | Microsoft Docs. If you enable password sync it will force a password reset on all users and sync that with Azure AD and O365

    answered 09/11/2021 11:53
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    Patrick Touchette

    Now I'm really scared...

    Migration batch is done, all mailboxes  indicate Synced, but I've been checking a few boxes (especially those with very few items synced) and one box as an example :

    mereenfants@rfoi.org

    • Indicates Synced with 0 items synced (picture 1)
    • Did not create the email like the others in 365 (picture 2)
    • But if I look at the mail box it has a lot of emails in it (picture 3)

    Another one just over it... mereenfantsalternatelle2@rfoi.org... indicates 17kb of data migrated... but my Synology Active backup for Microsoft 365 has the backup of the mailbox @ 1.9Gb, which is the size it really is on Exchange.

    I'm very worried to uninstall Exchange with potential migration problems... with Outlook 2010 (what they use) can I just recreate another profile manually for the 365 account just in case I'm missing critical information, without uninstalling Exchange ?  DNS entries will be changed for the MX record so that emails will start getting into the 365 mailboxes, but I don't want to kill Exchange just in case.

    And I've tried to export all mailboxes to PST on the server, for a backup, but can't get my hands on a 2007 Exchange install CD to install the management tools on a client's computer to do the Exmerge or mailbox export...

    Patrick

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    Mariette Knap

    You need to complete the batch before you can say anything about the result.

    replied 09/15/2021 08:57
    Reply
    replied 09/12/2021 16:49
  • Patrick Touchette

    Now I'm really scared...

    Migration batch is done, all mailboxes  indicate Synced, but I've been checking a few boxes (especially those with very few items synced) and one box as an example :

    mereenfants@rfoi.org

    • Indicates Synced with 0 items synced (picture 1)
    • Did not create the email like the others in 365 (picture 2)
    • But if I look at the mail box it has a lot of emails in it (picture 3)

     

    Another one just over it... mereenfantsalternatelle2@rfoi.org... indicates 17kb of data migrated... but my Synology Active backup for Microsoft 365 has the backup of the mailbox @ 1.9Gb, which is the size it really is on Exchange.

    I'm very worried to uninstall Exchange with potential migration problems... with Outlook 2010 (what they use) can I just recreate another profile manually for the 365 account just in case I'm missing critical information, without uninstalling Exchange ?  DNS entries will be changed for the MX record so that emails will start getting into the 365 mailboxes, but I don't want to kill Exchange just in case.

    And I've tried to export all mailboxes to PST on the server, for a backup, but can't get my hands on a 2007 Exchange install CD to install the management tools on a client's computer to do the Exmerge or mailbox export...

    Patrick

    Attached Files
    answered 09/12/2021 14:07
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