Migrate Exchange 2010 mailboxes to Office 365 - step-by-step guide (2023)

Today, cloud services are incredibly growing and in high demand. Advocates of the cloud are increasing by the day, and many IT companies or organizations and other industry verticals have also started using Office 365 as the Microsoft Exchange Server tends to be complex and requires technical experts to handle or operate. Because of this, users use O365 instead of Exchange Server. This article guides users and provides a solution to gradually migrate Exchange 2010 mailboxes to Office 365 using a hybrid migration solution.

Users are moving their Exchange 2010 mailboxes because Microsoft has now ended support for Exchange Server 2010 on October 13, 2020. The other reason is that the cost of servers and hardware (heating, backup, cooling, RAID, server, hard drive, etc.) is expensive. Licensing, security such as – SSL certificate, maintenance and updating is higher than MS Office 365.

In O365, users can buy as many licenses as they want. It is flexible, users can scale up or down the Office 365 service anytime, anywhere. Due to all these outstanding features, users can look for a solution to move mailboxes from Exchange 2010 to Office 365.

Additionally, users can use the hybrid deployment solution that allows users to migrate on-premises Exchange 2010 database mailboxes or vice versa. When moving the mailboxes, users must use the migration batches to complete the request to move the remote mailbox. It helps them move the existing Exchange database mailboxes instead of creating new ones and importing the user information.

Note:You must configure the hybrid deployment between Exchange on-premises and Exchange online to migrate Exchange database mailboxes.

Things you should know before migrating Exchange 2010 mailboxes to Office 365 step by step

1. Configuring the migration batch takes approximately 10 minutes, and the total time to complete the migration depends on the number of Exchange mailboxes added in each batch.
2. Before starting the migration, users need to assign some permissions. Do that... onMove mailbox and migration permissionthis is the alternative to receiving permission.
3. This solution is configured between on-premises Exchange and Exchange Online

Quick solution:If you are new to the Microsoft Exchange environment, it would be very difficult for you to perform the migration as it requires technical skills, profound knowledge and hands-on experience to use the manual solution. To avoid all this technicality and complexity, you can use theSysToolsExchange to Office 365 migration tooleasily and hassle-free migrate Exchange 2019/2016/2013/2010 on-premises mailboxes to Office 365 in a simplified way.

Easy steps to migrate Exchange 2010 mailboxes to Office 365

Step 1.Download, install and run the software on your computer using the button below.

Download now Buy now

Step 2.ChooseExchangeas source andOffice 365as target migration platforms.

Step 3.Out ofWorkload section, select the required mailbox items like email, contacts, and calendar to migrate from Exchange 2010 to Office 365. Use theDatefilterFeature to migrate data selectively.

step 4ImThosetab, select theExchangeVersion, in our case selectExchange 2010and provide the other required details.Confirmrequired permissions and clickNext.

step 5Imtarget tab,use yoursOffice 365-AdministratorAccount credentials to log into the software.Confirmrequired permissions and clickNext.

step 6Of theUsers tab., use one of the three options such asretrieve users,Import users, orDownload templateto get source users. Create source and target user mapping.Confirmrequired permissions and clickNext.

step 7After successfulauthorization validation,Click on thatStart migrationTaste.

Migrate Exchange 2010 mailboxes to Office 365 step-by-step via hybrid migration

Step 1. Generate migration endpoint

It is recommended to generate the Exchange remote migration endpoints before you onboard and offboard the remote Exchange mailbox migration in this solution. The local connection settings include a migration endpoint that runs the Mailbox Replication Proxy service, which is critical for remote migration.

Step 2. Enable Proxy Service for Mailbox Replication

This service must be available on the local Exchange CAS (Client Access server).

1. StartExchange Admin Center>> Navigate toServer>> Clickvirtual directories
2. ChooseCAS(Client Access Server) >> ClickEWS virtual directory
3. Click on thatedit>> Check the buttonProxy service for mailbox replicationactivated option
4. Clicksave on computerTaste

Step 3. Use Exchange admin center to migrate Exchange 2010 mailbox to Office 365

1. StartEAC>> Go to O365
2. ChooseRecipients>> ClickMigration>> Select theAdd toTaste
3. Then select Migrate from Exchange online
4. Select User Assistant >> Click Next button
5. Click on+>> Select Exchange Online >> Click Next button
6. After that, check Migration Endpoint Wizard >> Make sure Exchange FQDN is listed there >> Select Next button
7. Go to the configuration window >> Enter the name of the migration bath in the text box of the new name of the migration batch
8. Then add the destination delivery domain to theDestination delivery domain for mailboxes>> Navigate to launch batch page
9. Select the recipient to receive the entire batch report
10. Also make sure that theStart button automaticallymust be selected
11. Finally, automatically mark the complete migration batch

Step 4. Remove Full Migration Stacks

After migration of Exchange 2010 mailboxes to Office 365 processes is successfully completed, users need to eliminate the migration batches. This reduces the likelihood of errors occurring in multiple states where the same users have moved again.

1. StartExchange Admin Center>> Go to Office 365
2. Click on thatRecipient>> then Migration >> Select the completed migration batch
3. Then click Delete button >> It will pop up the confirmation wizard >> choose Yes button

Step 5. Re-enable offline Outlook Web App access

Users can access Exchange database mailbox in OWA when it is in offline mode. If users want to migrate, they need to reset the Outlook Web App setting in the browser to be able to access the mailbox through OWA when it's not connected to the network.

Disadvantages of manual solution for Exchange 2010 to Office 365 migration

1. Complex and time-consuming method
2. Need technical expertise to use this solution

Note:When users are Exchange database mailboxesdamaged/damagedor your Exchange database is inOffline-Modusthen they cannot use this method to move their mailbox from Exchange 2010 to Office 365. In this case it is recommended to use the extended solution, i.e.SysToolsExchange Server EDB Recovery Toolthat easyrecoveredEDB file from corruption &Export mailbox from offline Exchange databaseto Office 365 in a simplified way without any problems. Since it agraphical interfaceThis makes the user's work easier and saves him time and effort.

bring everything together

Now users can easily migrate Exchange 2010 mailbox to Office 365 step by step via hybrid migration. However, if you find the solution complex and tedious, it is recommended to use the automated wizard described in this article. In case you have corrupted EDB file which is offline/not mounted, users can use above solution which can be easily recovered.Repair Exchange Mailboxes 2007, 2010, 2013 and 2016along with Exchange database files.

Moreover, it can also migrate the recovered mailboxes to O365, or if you want to do an on-premises migration with ease, you can use the solution mentioned at the beginning that easily performs the migration of on-premises Exchange Server 2007, 2010, 2013 and 2016 mailboxes to Office 365 Depending on your needs and choices, you can choose the option to move mailboxes.