Office 365 Tenant Migration to Migrate User Mailboxes

Are you struggling with migrating mailbox content from one tenant to another in Office 365? If yes, then this article is for you. It describes the complete manual process of Microsoft 365 Tenant to Tenant Migration with the needed instructions. First of all, you need to know that the manual process is very long and technical also. You must keep your focus to avoid any mistakes and errors in the Migration process. First, we will see what data can be migrated through the manual procedure and what difficulties arise in the migration process.

What data can be migrated through Office 365 Tenant Migration?

Office 365 Tenant Migration is a process to move mailbox content between two Office 365 Tenants. This process only supports Exchange Online accounts not Exchange Server Accounts.  The manual migration process only migrates visible mailbox content. Only emails, contacts, calendars, notes and tasks can be migrated from one tenant to another in Microsoft Office 365. If you need to migrate OneDrive content then you need to follow this article on OneDrive to OneDrive Migration. First, Let’s see what difficulties arises in the manual migration process.

Difficulties in Office 365 Tenant Migration Procedure

Manual process requires technical knowledge thus it arise scope for errors and mistakes. Office 365 Tenant Migration can be a difficult process due to the complexity of transferring data from one tenant environment into another. This type of migration is often used when merging two organizations, or when an organization wants to move its existing Office 365 services and users between tenants. Users may have issues in the Windows PowerShell scripts as a single mistake provide you with error and without proper knowledge one cannot identify error in the scripts.

The main difficulty lies in ensuring that all user mailboxes are transferred correctly without any loss of data or disruption of service. Additionally, proper authentication protocols must be followed for security purposes during the transfer process as well as verifying that all licenses are valid in both tenants prior to initiating the migration. Administrators must also ensure that all relevant permissions are granted prior to beginning a transfer so as not to disrupt existing services or applications within either tenant environment while they migrate files or settings from one account into another.

Steps for Tenant Migration Procedure

Microsoft 365 Tenant Migration manual process requires multiple tasks to perform. You must follow each step and instruction carefully to avoid difficulties. You must ensure that you are using Admin Credentials or you have been provided Admin access. Below are the steps needed to perform manual migration between Office 365 Tenants:

·         You need to create a mail-enabled security group in the source tenant and also note down the tenant in both the source and target tenant.

·         In the target tenant, register an application, provide API permissions, create a secret value, and provide consent for MSFT.

·         Now use Windows PowerShell to create migration endpoint and organization relationship in the Destination Tenant.

·         Once done you need to accept the application and configure the organization relationship in the Source Tenant.

·         Now create mail users in the Target Tenant.

·         Find and Add the ExchangeGUID and LegacyExchangeDN of the source tenant in the target tenant.

·         Once done test the migration server availability. If it shows the status as success, you are good to move further. If the status is failed, you need to identify what you missed.

·         If the status is success, assign licenses to all the mail users you had created in the target tenant.

·         Once everything done correctly, create the migration batch in the Microsoft 365 Exchange Admin Center.

You must perform every steps carefully for the successful migration of mailbox from one tenant to another in Microsoft 365. To read the complete steps, visit Tenant to Tenant Migration guide. Using the steps mentioned in this guide, you can easily perform Office 365 Tenant Migration easily.

Conclusion:

Migrating mailboxes from one tenant to another in Microsoft Office 365 is a complex process that can be completed with proper guidance and knowledge. It requires the use of PowerShell commands and some basic knowledge of how the migration works. The process is little bit difficult, allowing users to transfer their mailbox data into another Office 365 user mailbox while ensuring no disruption occurs during the transition period. With this guide as your reference, you should have all the information needed for successful migration of mailboxes between tenants in Microsoft Office 365.

Read More about how to migrate from Google Workspace to Office 365 to learn the migration process for Google Workspace to Office 365.