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Migrate Mailboxes Between Office 365 Tenants: Best Ways to Move Domains

Published on 14 September 17
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Solutions to Migrate Mailboxes Between Office 365 Tenants
Hey! Do you know how to move Office 365 mailboxes between tenants? Are you also looking for a solution to transfer Microsoft O365 tenants? Well, we have a solution! In this blog, we will be going to discuss manual as well as an automated solution for Office 365 to Office 365 migration in a hassle-free way. Both the solutions are verified to move domain from one O365 account to another. While working in an organization, the easiest way is going for a web based application to gain access back to the data in terms of crisis. As Microsoft Office 365 provides much inbuilt software’s on subscribing to a paid version with multiple features. In this case, there emerges a situation, where a business merger is about to happen. The concept to transfer Office 365 tenants is necessary to understand by the global users. But before proceeding further, let’s take a look towards a users query.
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Need for Microsoft Office 365 Domain Migration
I worked as a freelancer for years. My main work was on Office 365 domain. Suddenly I got a project for an organization which required the migration of a tenant of Office 365 to another. I surfed a lot but I wasn’t able to perform any thing. I did not want that my clients should get upset. Henceforth, I kept on practicing the same to impress my client. But, it was of no use. I need an effective solution to move office 365 mailboxes between tenants. Is there any utility that can solve my problem without any hassle?

I am using O365 for my all business related work. We have two separate domains to work upon. Now the organization has decided to divide the company into separate domains to make it more successful. We need similar data on both the tenants and unfortunately, it is only in one domain. So, I need a reliable solution to transfer/migrate data between Office 365 tenants. All the persons can reciprocate I would be highly grateful towards them. All leads shall be appreciated! Thanks in Advance.

The main cause behind the query is that we need to clear users regarding the Office 365 domain migration. In addition to it, many users switch from one department to another and in such cases, the need of tenant migration from one Office 365 account to other occurs. It might be quite possible that the users face challenges while converting the mailboxes. Hence, we have decided to resolve the issue that can create problems in migration. The below section will help the users in understanding proficient ways to move Office 365 accounts effectively.
Finding Out the Two Best Ways to Migrate Mailboxes Between Office 365 Tenants
Though the method for O365 domain to domain migration seems to be difficult to perform. So, the below section will help you in merge Office 365 tenant easily. So, let’s proceed towards the process.
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1. Transfer Office 365 Tenants to Other: A Manual Approach
Before we continue with the task, let’s go through the requirements which can help in moving Office 365 Mailboxes to another account.

Set of Requirements
  1. For MS Outlook 2013 and 2010: Delete account of MS Outlook.
  2. For Microsoft Outlook 2007 and 2010: While restarting Outlook, the client needs to configure auto-discover and make OST file again.
  3. For Lync Clients: Add all the address books, after the process of the merger is complete.
Preparation & Licensing the Domain
  1. There emerges a need for increasing the license in target tenant of MS Office 365. It is necessary because mailbox of the source tenant is merged to target domain
  2. Make all the admin accounts in targeted and source tenants that are used for conversion process from O365 to Exchange Online. Sometimes, extra admin accounts are also required to make use of the migration tool.
Preparation of Source Domain
  1. It requires termination of the Lync License from all users in a source tenant through Lync Admin portal.
  2. Resetting the default email address on Distribution lists, Resources, Rooms, Office 365 source mailbox to the initial domain.
Preparing the Target Domain
  1. Configuration of auto-discover CNAME(Internal or External) alternative
  2. Configure a new domain into the destination domain for AD FS, in case of using AD FS
Using the PowerShell Script to Migrate from an Office 365 Domain into Other
To resolve the problem, the users can follow the steps mentioned below:

Bulk reset Password of MS Office 365
  • Make a CSV file, i.e., password.csv.
  • Insert upn & newpassword to the columns in file (for instance: abcd@contoso.com, Password4)
  • Use the Windows PowerShell command if the matter is not resolved:
Import-Csv password.csv|%{Set-MsolUserPassword –userPrincipalName $_.upn -NewPassword $_.newpassword -ForceChangePassword $false}

Let's go through the following PowerShell commands
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Print the Accounts of Office 365 by Using a Particular Proxy Address in the CSV File
Migrate Mailboxes Between Office 365 Tenants: Best Ways to Move Domains - Image 1
Create Bulk Room Mailboxes into Office 365
Migrate Mailboxes Between Office 365 Tenants: Best Ways to Move Domains - Image 2
Bulk Remove Secondary Email Address From Mailboxes
Migrate Mailboxes Between Office 365 Tenants: Best Ways to Move Domains - Image 3
Drawbacks of Manual Approach
Despite being completely free of cost, the manual method seems very confusing. In case if you are a non-technical user, then it is very difficult to implement entire process. Additionally, this method is very time consuming and takes plenty of the efforts. Sometimes, while performing the process, the users get puzzled and end-up creating loads of troubles into the system. So, users who are not technically sound are not advisable to perform it.
2. Automated Solution to Migrate Data Between Office 365 Tenants
Now being a technical or non-technical user, does not create any difference. If you want to channelize your efforts in a proper direction, in that case, you need to switch to a professional tool i.e. Office 365 Express Migrator. The software is completely capable of moving all mailboxes from an Office 365 domain to other. It even supports all editions of Windows. So, the users can download this program and then perform Office 365 tenant migration.
The Final Words
We all are aware of the fact that Exchange Online is a cloud- based application that is used by multi-national organizations as a platform. It can be claimed as a useful source for business processes. Sometimes the necessity to move/migrate mailboxes between Office 365 tenants occurs and in such circumstances, the users can go manual as well as for a third-party tool to transfer data from one domain of Office 365 to another without issues and errors.













Solutions to Migrate Mailboxes Between Office 365 Tenants

Hey! Do you know how to move Office 365 mailboxes between tenants? Are you also looking for a solution to transfer Microsoft O365 tenants? Well, we have a solution! In this blog, we will be going to discuss manual as well as an automated solution for Office 365 to Office 365 migration in a hassle-free way. Both the solutions are verified to move domain from one O365 account to another. While working in an organization, the easiest way is going for a web based application to gain access back to the data in terms of crisis. As Microsoft Office 365 provides software’s on subscribing to a paid version with multiple features. In this case, there emerges a situation, where a business merger is about to happen. The concept to transfer Office 365 tenants is necessary to understand by the global users. But before proceeding further, let’s take a look towards a users query.

domain to domain migration seems to be difficult to perform. So, the below section will help you in merge Office 365 tenant easily. So, let’s proceed towards the process.

& to the columns in file (for instance: abcd@contoso.com, Password4)
  • Use the Windows PowerShell command if the matter is not resolved:


  • Import- password.csv|%{Set-MsolUserPassword –userPrincipalName $_.upn -NewPassword $_.newpassword -ForceChangePassword $false}

    Let's go through the following PowerShell commands

    3

    Print the Accounts of Office 365 by Using a Particular Proxy Address in the CSV File

    Migrate Mailboxes Between Office 365 Tenants: Best Ways to Move Domains - Image 1

    Create Bulk Room Mailboxes into Office 365

    Migrate Mailboxes Between Office 365 Tenants: Best Ways to Move Domains - Image 2

    Bulk Remove Secondary Email Address From Mailboxes

    Migrate Mailboxes Between Office 365 Tenants: Best Ways to Move Domains - Image 3

    Drawbacks of Manual Approach

    Despite being completely free of cost, the manual method seems very confusing. In case if you are a non-technical user, then it is very difficult to implement entire process. Additionally, this method is very time consuming and takes plenty of the efforts. Sometimes, while performing the process, the users get puzzled and end-up creating loads of troubles into the system. So, users who are not technically sound are not advisable to perform it.

    2. Automated Solution to Migrate Data Between Office 365 Tenants

    Now being a technical or non-technical user, does not create any difference. If you want to channelize your efforts in a proper direction, in that case, you need to switch to a professional tool i.e. Office 365 Express Migrator. The software is completely capable of moving all mailboxes from an Office 365 domain to other. It even supports all editions of Windows. So, the users can download this program and then perform Office 365 tenant migration.

    The Final Words

    We all are aware of the fact that Exchange Online is a cloud- based application that is used by multi-national organizations as a platform. It can be claimed as a useful source for business processes. Sometimes the necessity to move/migrate mailboxes between Office 365 tenants occurs and in such circumstances, the users can go manual as well as for a third-party tool to transfer data from one domain of Office 365 to another without issues and errors.

    This blog is listed under Enterprise Applications Community

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    1. 25 January 18
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      What is your recommended 3rd party tool to migrate from O365 tenant to O365 tenant?

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