Office 365 - Question/Solution

Hi,

We are looking to migrate from on premises Exchange 2007 to Office 365. We were thinking of doing the following:

- Create accounts on Office 365
- Export PST's to Office 365
- Do NOT link AD with Office via federated services

This will mean users will have two logins. One domain and another for email.

Why? Because we are intending to rebuild the whole domain.

Question: At a later stage, we are intending to have the link enabled with the new domain connected. What are the implications of doing this? Is it even possible to merge the Mailbox (Office 365) with an AD user?

We need to know if this is possible so we do not face issues down the line. If it is not possible then we will need to sort out AD and then migrate onto Office 365 with federated services. We are only trying to move onto Office 365 a bit sooner to get Office applications etc without having to pay for more licenses etc.

Any help will be appreciated on recommendations.

Regards,

introlux
introluxAsked:
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NetfloCommented:
Yes this can be done, you will ensure that the users will have a UPN logon to match your domain, which matches Office 365.

You will need to migrate your X500 addresses as additional email addresses for your users, so when replying to old emails or sending emails to addresses via the autocomplete cache deliver okay.
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introluxAuthor Commented:
So having a user called Joe Blogs on Office 365 can be migrated later with an AD user called Joe Blogs.

This is achieved by migrating the X500 addresses as additional email addresses for the users?

Please confirm.

introlux
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NetfloCommented:
Yes that's correct to both your statements. Your internal AD can operate independently to Office 365.
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