Office 365 Archive mailbox migration
Office 365 Archive mailbox migration offers numerous advantages, including enhanced storage capabilities, improved compliance management, and better access to historical data. For organizations dealing with large volumes of emails, this transition can result in significant cost savings by leveraging Office 365's scalable infrastructure, which eliminates the need for extensive on-premises storage solutions.
EdbMails Office 365 migration software ensures an easy and secure migration of Office 365 archive mailboxes. The software is designed to address the challenges associated with email migration, such as maintaining data integrity, ensuring security, and zero downtime. Its advanced features include incremental migration, which prevents duplicate items, and support for large mailboxes, ensuring that even extensive email archives are migrated without issues.
By employing EdbMails, organizations can confidently undertake the migration process, ensuring all data is securely transferred while maintaining compliance with regulatory requirements. The software automatically generates migration reports that allows users to monitor the migration process and quickly address any issues that may arise. The end result is a successful transition to Office 365 Archive Mailboxes, providing users with uninterrupted access to their email history and reducing the overall cost and complexity of email management.
Planning a migration from Office 365 archive mailbox
- Ensure that you create and enable the In-Place Archiving in Office 365 before you migrate. See steps to enable online archive in Office 365.
- Determine whether you want to migrate the Archive mailboxes to Office 365 primary mailbox or Archive mailbox.
- If you want to migrate the Archive mailbox directly to Office 365 Archive mailbox, enable the auto-expanding archiving feature on Office 365.
- By default, the Archives have 100GB of storage when you enable them and the auto-expanding adds additional storage (unlimited archiving) when the threshold is reached. This limit is expandable up to 1.5TB per mailbox.
- Verify if your Exchange online mailbox license allows the archiving feature.
- See the list of auto-expanding archiving restrictions and consider the following points for all users.
- If you would like to learn more about archiving, see how the auto-expanding archiving works.
- Unlimited archiving is a premium feature that requires Exchange online plan 2 or Exchange online archiving license.
- Perform a test migration to the target before you start the actual one.
Office 365 Archive mailbox migration : Pre-migration activities
- Ensure that you have a global admin account for the automatic registration method to connect to the source and target Office 365 servers.
- Prepare your target Office 365 tenant. See tenant roadmap for Microsoft 365.
- If you plan to migrate In-Place archives to Office 365, enable the archive mailbox on the target server. See steps to enable online archive in Office 365.
- Assign the Organization Management role group in Exchange online to the admin user on both the source and the target.
- Set the impersonation rights for the admin account in Office 365 to migrate mailboxes on behalf of other users in your organization.Verify if the source and target admin account in general has the following management roles assigned:
- Check if the Global admin account with the management roles has a valid and non-hidden mailbox on the source and target server.
Steps to migrate Archive mailboxes to Office 365
Step 1: Download and install EdbMails software
- Download EdbMails and install the application on your computer.
See a detailed list of EdbMails system requirements for Office 365 Archive mailbox migration
- Launch the application and click 'Login' or 'Start Your Free Trial'.
- Select 'Office 365 Migration' (Tenant to Tenant migration & more...) from the drop down list and click on Let’s Go!
- Download EdbMails and install the application on your computer.
Step 2: Connect to the source Office 365 server
- In the 'Connect to Office 365 (Source)' window, choose the preferred method for secure OAuth-based modern authentication. The default 'Auto Registration' method requires Global Admin access. Alternatively, you can use a Global Admin account or any user account with full access rights if you want to use the Manual Registration method.
- Select ‘Connect to Archive Mailboxes (In-Place Archive)’
- Log in on the Microsoft authentication page using a global admin account with an active mailbox.
- Accept the permissions for the application to perform the migration operation.
- If you have already established an Office 365 connection with EdbMails, the mailboxes list will be saved. You can use the same list. If you are establishing a new connection, click the ‘No’ button to get the mailbox loading options.
- EdbMails automatically retrieves mailboxes from your source Office 365 server. If the automatic mailbox loading option doesn't display the needed mailboxes, you can load them using a CSV file. Additionally, you have the option to load mailboxes from a previously saved list.
- In the 'Connect to Office 365 (Source)' window, choose the preferred method for secure OAuth-based modern authentication. The default 'Auto Registration' method requires Global Admin access. Alternatively, you can use a Global Admin account or any user account with full access rights if you want to use the Manual Registration method.
- Step 3: Select archive mailboxes
Select the archive mailboxes you want to migrate and click ‘Migrate to Office 365’ to connect with the target server.
Tip: If this is the first time you’re migrating with EdbMails, the migration is a full migration. On subsequent migrations from the same source to the target, the migration is incremental.
- Step 4: Connect to target Office 365 server
Connect to your target Office 365 server using the same method as you used for the source server. Then, select the required migration operation and choose the option to load the mailboxes.
Step 5: Map Archive mailboxes
- In the mapping window, You will have the following options:
- Automatically create mailboxes on the target server and map source mailboxes accordingly.
- I have necessary mailboxes on my target server and need to map source mailboxes to them
- Use previously saved migration mappings.
- Load Source and Target mailbox mapping using CSV file
- EdbMails automatically creates mailboxes on your target server and assigns the required licenses.
Click hereto know about user-defined mailboxes / folders mapping.
After successfully creating mailboxes on your target server, ensure to enable archive mailboxes.
Click here to know more about automatic mailbox creation- EdbMails automatically maps archive mailboxes between source and target servers, which is especially useful for large-scale migrations. Alternatively, you can manually map source folders and subfolders to designated target locations as required.
- In the mapping window, You will have the following options:
- Step 6: Start Office 365 Archive mailbox migration
After finishing the mailbox mapping, click the ‘Continue’ button, enter the job name, and proceed. Once the migration is complete, a notification will appear. Click the ‘View Log’ button to view the migration report.
Archive mailbox migration troubleshooting
See the Archive migration troubleshooting guide for possible solutions related to migration errors. For more information on EdbMails Exchange migration refer to the frequently asked questions (FAQs)
Advantages of EdbMails for Office 365 Archive mailbox migration
- Simple solution to migrate Office 365 Archive mailboxes
EdbMails allows you to migrate in-place archives from one Office 365 tenant to another Office 365 tenant with just a few clicks. The intuitive software interface simplifies the migration process, allowing you to easily select mailboxes and perform the migration operation without needing technical expertise.
- Incremental Office 365 Archive mailbox migration
EdbMails supports incremental migration, which transfers only new and modified items during subsequent migrations. This feature helps to avoid migration of duplicate items to the target server, reduces overall migration time, and conserves internet bandwidth.
- Secure modern authentication for O365 login
EdbMails provides a secure Office 365 migration tool that utilizes Microsoft's secure APIs for migration. It supports modern Office 365 login methods based on MSAL and OAuth 2.0, allowing you to sign in to your tenant via the Microsoft login page. The application does not store any data or credentials on its servers.
- Include or exclude email items and folders
EdbMails offers advanced filter options to include or exclude mail items from the archive mailboxes based on date, subject, sender, and recipient address. Additionally, the application provides the option to exclude standard and custom folders from the migration operation.
- Batch or individual Archive mailbox migration
With EdbMails, you can migrate archive mailboxes either individually or in batches, providing flexibility for both small and large-scale migrations. The tool allows you to transfer entire folders as well as specific items such as attachments, contacts, and calendars between Office 365 tenants, ensuring precise and efficient management of your data migration needs.
