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

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Last Modified: 2017-07-26
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?
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Satish AutiSenior System Administrator
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Thanks Satish

Powershell says target user already has a primary mailbox.

Author

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

Author

Commented:
The useraccount is synced with AdConnect
Satish AutiSenior System Administrator
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Commented:
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 ATech Lead
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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!

Author

Commented:
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
Marshal HubsEmail Consultant

Commented:
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
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Marshal HubsEmail Consultant

Commented:
itpartner_danmark choose migrationwiz for the same task..