File migration for the new data migration service is currently in beta and subject to the Pre-General Availability Offerings Terms in the Google Workspace Service Specific Terms.
After you successfully migrate data, you can still move any newly added or updated files or folders to your target account before you exit the migration. Transfer the new content by running a delta migration.
What is a delta migration?
During a delta migration, any files or folders that have been added or updated in your source account since your last migration are migrated to your target account. The delta migration service also identifies changes to previously migrated files or folders, such as changes to permissions, and updates the files or folders on the target account.
A delta migration skips over objects that have already successfully migrated and haven't been updated on the source account. These items are marked as skipped.
|
Delta migration task |
Changes on Google Drive |
|---|---|
|
Update changes or additions to source files and folders since the last migration, including:
|
Updates migrated to target files in Google Drive |
|
Update permissions or user deletions from sharing lists |
Updates migrated to target files in Google Drive |
|
Update deleted source files and folders |
Previously migrated files and folders are not deleted in Google Drive |
What happens if I change the migration scope?
- Adding a user to the source map: The user’s Microsoft OneDrive account is migrated to Google Workspace.
- Deleting a user from the source map: The user’s Microsoft OneDrive account is not included in the migration, but any files or folders that were already migrated to Google Workspace won’t change.
What happens if I change the identity map?
|
Change |
User is included in migration scope |
User is not included in migration scope |
|---|---|---|
|
Adding user |
The account is migrated to Google Workspace. |
Any files or folders from the Microsoft OneDrive account will not migrate but permissions will. |
|
Deleting user |
The migration completes with an error noting that the ID mapping is missing. |
Any previously migrated user permissions are deleted. Already migrated files or folders are not deleted. |
|
Updating user |
Previously migrated files don’t change, but new files and folders are created to match the new mapping. |
N/A |
Start a delta migration
You must be signed in as a super administrator for this task.
-
Sign in to your Google Admin console.
Sign in using an account with super administrator privileges (does not end in @gmail.com).
- In the Admin console, go to Menu
Data
Data import & export
- At the top, click Go to data migration (New)
- For Microsoft OneDrive, click Migrate to open your existing migration.
- Click Run delta migration.
