Exchange to Office365

Hi,

I’m have just started an exchange to Office365 migration, I have just migrated my first test batch and have found that the mailbox has been created in O365 (I have added the licence), in exchange the user is listed as a contact but some test emails go to the old mailbox and are not showing when I logon to office.com and some emails do show online,
The OWA link within outlook is still pointing to the on-prem server not Office365.
I have deleted and recreated the mail profile for outlook and the same happens, can you suggestions I try anything?

Regards,
LVL 1
Ben SAsked:
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Sandeep KumarAssociate ConsultantCommented:
You can export Exchange mailboxes to Office 365 directly by the automated tool named Kernel for Exchange Server recovery software. It is an automated tool using which you can perform multiple operations like Exchange to Office 365 or, Live Exchange, Outlook PST migration. To know more look into https://www.nucleustechnologies.com/exchange-edb-to-office-365-migration.html
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Vasil Michev (MVP)Commented:
You need to be more specific here. First of all, which migration method are you using? And what do you mean by "old mailbox", if the user "is listed as a contact"?
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MASEE Solution Guide - Technical Dept HeadCommented:
Agree with Vasil. Please make us more clear to give you a better answer.
-->go to the old mailbox and are not showing when I logon to office.com and some emails do show online,
U mean your old email which is received before moving doesnt exists in your mailbox after moving to O365?
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Ben SAuthor Commented:
Hi,
Its a staged migration
the mailbox called test on the old on-prem exchange is listed as mailbox type - Office 365

Regards,
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Jessica KCommented:
Hello Ben,

Use Cutover migration if you're running Exchange Server 2003, 2007, 2010, or Exchange Server 2013 and if there are less than 2000 mailboxes. You can perform a cutover migration by starting from Exchange admin center (EAC).
Go through the following informative blog to know more in detail:
http://www.office365tips.org/use-powershell-to-perform-cutover-migration-to-office-365/

Use Staged migration if you're running MS Exchange Server 2003 or Exchange 2007, for more than 2,000 mailboxes.
To know in detail, read the following article carefully:
http://www.office365tips.org/staged-exchange-migration-to-office-365/

Use Hybrid migration for both on-premises and online mailboxes and to gradually migrate users and email to Office 365. It can also be used if:
-  you are using MS Exchange 2010 and more than 150-2,000 mailboxes.

- you have Exchange Server 2010 or 2013 and to migrate mailboxes in small batches over time.

For this you have to follow the steps given by Microsoft on its official site:
https://technet.microsoft.com/en-gb/exdeploy2013/

This will surely help you!

Regards,
Jessica
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Vasil Michev (MVP)Commented:
So what is the "old mailbox" you are referring to then? Did you or did you not convert the mailbox to mail user after the migration? As in this step of the process: https://support.office.com/en-us/article/Perform-a-staged-migration-of-email-to-Office-365-83bc0b69-de47-4cc4-a57d-47e478e4894e?ui=en-US&rs=en-US&ad=US#bkmk_step8
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Marshal HubsEmail ConsultantCommented:
You can easily export mailboxes from Exchange Server to Office 365 with the help of Stellar EDB to PST Converter. For more information, please check this KB link: https://www.stellarinfo.com/support/kb/index.php/article/convert-offline-edb-to-office365
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Ajit SinghCommented:
As for OWA URL, in Office 365, once the custom domain (domain.com) is verified with Office 365, you can use http://outlook.com/domain.com as the OWA URL.

https://answers.microsoft.com/en-us/msoffice/forum/msoffice_o365admin-mso_dep365/office365-migrated-mailboxes-do-not-receive-owa/ffad74e7-d391-4341-8665-638b358d3a3b?auth=1

Also, check this article to migrate smoothly and swiftly from on-premise Exchange Server to Office 365.

Hope this helps!.
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