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Steps for Microsoft 365 to Microsoft 365 Migration

Follow step by step guide to Migrate Microsoft 365 Tenant to Microsoft 365 Tenant by SysTools Migrator

Pre-Requisites

Note: Before starting the migration please make sure about the destination domain name(e.g., @domain.com, @domain.onmicrosoft.com, or hosted domains), as this cannot be changed later, because the software licenses will be consumed and these cannot be revoked afterwards.

Following are the Steps to Perform Microsoft Office 365 to Microsoft Office 365 Migration

Download and Launch the migration tool

In case, tool is not activated, see how to activate the product: Activation Steps

Tool provides the help section for the details about each migration mode. Click on "Help" button to view this section.

Start screen

To enable advance settings for Concurrent migration (optional). Read more: Advance Settings

Download and Launch the migration tool

In case, tool is not activated, see how to activate the product: Activation Steps

Tool provides the help section for the details about each migration mode. Click on "Help" button to view this section.

Start screen

To enable advance settings for Concurrent migration (optional). Read more: Advance Settings

From the software window, click on the "Setup" tab and select choose Source & Destination platform as Office 365.

Start screen

STEP 1

Now, Select Office 365 as source & Office 365 as destination.

Start screen

STEP 2

Software allows you to select Category, Email, Contact, Task, Calendar, and Document under Workload Selection window and also enables users to create Users and Groups.

login

STEP 3

You can see there are two options available:

  1. Migrate Document Permissions
  2. User Group Mapping

Migrate Document Permissions: Allow execution of document level permission.

For Document Permissions: Ensure the document shared with the resources includes a comprehensive mapping of those resources within the application, simplifying the migration of document permissions.

User Group Mapping: Allows to map the group mapping from source to destination. The mapping between source group and its corressponding group can be provided on the Users section.

enter domains

STEP 4

Date Filter Option is available in this tool to migrate only selective data from Microsoft 365 to Microsoft 365.

Date Filter Option is not available for Chat and Groups.

After selecting all required options click on Next.

enter domains

STEP 5

Now, Enter Admin email ID & Application ID of Source tenant & then click on Validate button to validate associated permissions.

login

STEP 6

Now, You can see the permissions are validated. Click on Next button to proceed.

login

STEP 7

Enter the Destination Admin email and Application ID & then click on the Validate button to validate all permission.

login

STEP 8

Now, permissions are validated. Click on Next button.

login

STEP 9

Now under Resources tab, in the Users screen, there are several ways in which you can add users from the source account that needs to be processed.

users

Fetch Users: It will fetch all the users from Source domain.

users

Import Users: This will import users through CSV.

users

Download Template: In this option, you will get a sample CSV file in which you can add source and destination users manually.

users

STEP 10

Fetch User – This option will fetch all source user accounts, then you have to enter destination user's email addresses.

Click on Continue.

users

STEP 11

All source Office 365 accounts are fetched.

users

STEP 12

In this screen, you can see all the source mailboxes.

users

STEP 13

You can also create new user at destination domain from tool itself. For this, select the source mailboxes for whom you want to create a new user at destination domain and click on Create User button.

After that, you need to enter the email address of the destination user mailbox.

After adding destination ID, you can have to assign password for the mailboxes. You can either enter different password one by one or set a default password for each mailbox. For default password, click on Set Default Password button.

Enter Default Password and hit Apply button.

Then, click on Continue button.

The software will then prompt this screen.

If everything goes well, the tool will show green icon under the Status column. If there persists any problem, then it won't show the green icon.

Additionally, you can also check Successful and Failed user creations from the above shown tab.

STEP 14

To start migration you have to enter Destination emails (enter destination email where you want to migrate source tenant data).

Click on (…) icon, if you want to import a CSV file containing both source and destination accounts.

users

STEP 9

On the Groups screen, there are several ways in which you can add groups from the source account that needs to be processed.

users

Fetch Groups: It will fetch all the groups from Source domain.

users

Import Groups: This will import groups through CSV.

users

Download Template: In this option, you will get a sample CSV file in which you can add source and destination groups manually.

users

STEP 10

Fetch Groups – This option will fetch all source groups, then you have to enter destination group's email addresses.

Click on Continue.

users

STEP 11

All source Office 365 groups are fetched.

users

STEP 12

In this screen, you can see all the source groups.

users

STEP 13

You can also create new groups at destination domain from tool itself. For this, select the source group(s) for whom you want to create a new group at destination domain and click on Create Group button.

After that, you need to enter the email address of the destination group.

Then, click on Continue button.

The software will then prompt this screen.

If everything goes well, the tool will show green icon under the Status column. If there persists any problem, then it won't show the green icon.

Additionally, you can also check Successful and Failed group creations from the above shown tab.

STEP 14

To start migration, you have to enter Destination groups (enter destination email where you want to migrate source tenant data).

Click on (…) icon, if you want to import a CSV file containing both source and destination groups.

You can also filter out the selected groups that you want to migrate to destination domain using the drop-down option.

priority

STEP 15

If you have Office 365 Shared Mailboxes that you want to migrate to some other tenant, then you need to right-click on the particular mailbox from the source list and ignore the Office 365 license validation.

Important Note: Make sure that you perform the above step with Shared Mailboxes only. If you ignore O365 license validation of a user mailbox, then that user mailbox won't be migrated.

Once you do it successfully, the tool will show a red icon besides that user mailbox as shown below.

STEP 16

Users can also filter out the selected users for migration and also allocate Priority if they have multiple user mailboxes and want to migrate some of them prior to others.

priority

Now, Validate permissions by clicking on Validate button.

STEP 17

After successful validation, you will see all the green icons. Click on Start Migration button to initiate the process.

priority

Users can also Stop Migration if required while the migration is In Progress.

STEP 18

You can view the Migration Status in multiple formats.

List View

Tile View:

Tile View

STEP 19

You can check the mailboxes with complete migration under Completed tab.

List View

STEP 20

After completion of migration, click on the Download Report button to generate the detailed migration report.

Download report

The tool provides two options for downloading the reports:

Summary Report: The summary report will be a single .csv file containing migration reports of all the selected users for migration.

migration summary

Detailed Report: Here, you get the option to save the detailed migration report of the mailboxes you want to. Select the mailbox and click on Download button.

report downloaded

Choose the destination location where you want to save the Detailed Report.

report downloaded

STEP 21

Re-Run Migration option is also provided in order to perform the migration again.

  • Retry Failed Items: To migrated the data which didn't get migrated.
  • Re-Run Full Migration: To perform the entire migration process again.
  • Delta Migration: To migrate the newly arrived data in between the migration process

migration options

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