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Migrate on-premise Exchange 2010 mailbox to Office 365 (hybrid deployment)

I cannot move a mailbox from onprem Exchange 2010 to 365

Hybrid setup and the Office 365 forrest is available in the 2010 EMC.

If I from 2010 EMC do a remote move requset everything seems fine in the move wizard, but after that nothing happens. No move request visible.

If I from the 365 online ECP setup an endpoint and tries to create a batch and get to the point where I can add the mailbox(es) I want to move, I cannot see the mailbox so I cant select it.

What have I missed?
ExchangeMicrosoft 365

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Marshal Hubs

8/22/2022 - Mon
SOLUTION
Satish Auti

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itpartner_danmark

ASKER
Thanks Satish

Powershell says target user already has a primary mailbox.
itpartner_danmark

ASKER
If I remove the users license in Office 365 and do the powershell move request again I get this error:
Capture.JPG
itpartner_danmark

ASKER
The useraccount is synced with AdConnect
I started with Experts Exchange in 2004 and it's been a mainstay of my professional computing life since. It helped me launch a career as a programmer / Oracle data analyst
William Peck
Satish Auti

Was the move request was successful earlier for this user?

If yes then you just removed the license in office 365, the user mailbox will there on portal.
E A

Remote Mailbox Move to O365 using Powershell:
https://sajidhanif.wordpress.com/2016/01/07/remote-mailbox-move-to-o365-using-powershell/

You need to run the New-MoveRequest command in the target forest not the source.  If you aren't able to log on directly to a server in the target then you can run this via remote powershell.

http://technet.microsoft.com/en-us/library/dd298174.aspx#Rem

Before the hybrid migration, the user should be a mail user in Office 365. According to the error message “Target user already has a primary mailbox”, possible cause might be that this user already has an Office 365 mailbox. So the migration fails. To troubleshooting this issue, check this thread: https://answers.microsoft.com/en-us/msoffice/forum/msoffice_o365admin-mso_manage/mailbox-migration-fails-user-already-has-a-primary/dab8158d-17f0-48b2-868c-3b4f3ce30776

You may also get help from exchange migration solution like Lepide and CodeTwo to migrate mailboxes from on premises exchange to office 365.

Hope this helps!
itpartner_danmark

ASKER
Its the first user I try to move.

AdConnect is running and user accounts synchronized.

Before trying the first move request i got the error that I have stated in ID: 42061217 as you can see if you scroll up this page.

After removing the users O365 license i got the error that I have stated in ID: 42061266 as you can see if you scroll up this page
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Marshal Hubs

Please Check this discussion for the same: https://www.experts-exchange.com/questions/28317279/Migrate-on-premise-Exchange-2010-mailbox-to-Office-365-hybrid-deployment.html

You can also do mailbox migration with the help of third party tools. Please check following software: Codetwo
ASKER CERTIFIED SOLUTION
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Marshal Hubs

itpartner_danmark choose migrationwiz for the same task..