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Justin

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Office365 to Office365 migration

Hello,

We currently have an Office365 subscription via Microsoft Partner Telstra in Australia. We recently became eligible for the Microsoft Non-Profit Benefits. Telstra does not support these benefits, and to utilise them, I need to have an Office365 subscription with Microsoft directly.

Question is: How can I migrate from 1 Office365 subscription to another Office365 subscription - including all users and mailboxes (email, contacts, calendar etc) without loosing anything or having to manually create users and manually move data for each mailbox. We will also need to move the domain name across. Telstra can/wont pass my account over to Microsoft. We only have 14 mailboxes, but I'm concerned in business downtime - in the domain transfer, and also in the manual moving of data. I'm also worried about how to manually transfer that data - everything to PST then dump it once migrated?

I found that there is one mob who do this - MaaXCloud - and I assume the cost is $66 per mailbox. (http://maax.cloud/product/maaxcloud-office-365-email-migration-and-setup-complete/)

Thanks.
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Thanks for your response.

Yes that was a typo sorry: should have been can't/won't. I've had Telstra tell me before they can't do something, when in fact they could....

So I almost understand everything you have said. I did come across this software in my google travels. It makes it sound so easy. Although I bet I could make a royal mess of it.

Does the Migrationwiz create the users in the new tenant, or do I have to create the users first?

I assume that I create all new users such as: joe@newtenant.onmicrosoft.com. I then tell Migrationwiz to migrate joe@mydomain.com (on old tenant) to joe@newtenant.onmicrosoft.com. Once I remove the domain from the old tenant, attach the domain to the new tenant, I will need to update of DNS records. With that done, I'm guessing that I just need to assign the joe@mydomain.com email address as an alias to the joe@newtenant.onmicrosoft.com user I created, and then set it as the primary?

So when you say make another pass, I'm assuming you mean running Migrationwiz again to get what has changed between the first run and when the new tenant became active. IE: migrate joe@oldtenant.onmicrosoft.com to joe@mydomain.com (on the new tenant). At which point I would set up the users mailboxes on their PC's, phones etc.

Is this a service I could pay you to do - lol.

Thanks!
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Thanks again for the info.

DNS Records - so my MX entries and all that stuff will be the same? If so, excellent - 1 less thing I need to deal with Telstra for (I can't change them myself - need to log a ticket)

I found a video on this process and am watching it now - although its telling me that I need to export emails to a CSV file and change the domain names etc - your saying this isn't the case anymore? For anyone else interested - https://community.bittitan.com/partners/Pages/Partner%20Portal/Mailbox%20Migrations/Office-365-to-Office-365-Migration.aspx.

Bulk change of of primary emails - I assume this is with a powershell script? Powershell scares me, I might just do it manually. Although I have dabbled in it a bit with Office365 - thanks to google.

In the video (above) it talks about how Active Directory will effect the migration. I don't have and AD. Is this going to be a problem?

Sorry for all the questions, but even tho its only 14 mailboxes, I don't want it to be a balls up.
Hi Jpoppi,

You can refer this link to know all you need to know about Office 365 tenant to tenant migration.

As you have mentioned about a third-party tool; My acquaintance has been using SysTools Office 365 Express Migrator https://www.systoolsgroup.com/office365-express-migrator.html  to move one Office 365 mailboxes (Emails, Contacts, Calendars & Tasks) to another.

I think you should give it a try too. I hope this works for you.

Best Regards,
Tej Pratap Shukla
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