GOOGLE WORKSPACE DOMAIN MIGRATION
Know What You’re Moving Before You Migrate.
Moving users and data is only part of a successful Google Workspace migration. Before anything moves, you need to know what exists, who owns it, who can access it, and what could be left behind.
Audit the source environment, plan the move, protect access, and validate the destination before the old environment is retired.
- No credit card required
- Enterprised-grade security
THE MIGRATION GAP
Moving the Data is Only Part of the Migration.
A migration can be complete without everything being right. Files can arrive with unexpected ownership. Users can lose access because an old Group no longer exists. Shared Drive memberships may change. Business files owned by external or personal Gmail accounts can remain outside your control.
- The question is not simply “Did the data move?” It is: Did the right data move, with the right ownership and the right access?
01 / SCOPE
What are you actually moving?
Users, Drive, Shared Drives, Gmail, Groups, calendars, permissions and organizational structure all need consideration.
02 / ACCESS
Who owns and accesses it today?
Ownership, Groups, external sharing and domain-level permissions determine whether work continues after migration.
03 / UNKNOWN
What could get left behind?
Suspended users, orphaned content, shared-in files and externally owned files can fall outside the expected migration scope.
MIGRATION SCOPE
What Needs to Move in a Google Workspace Domain Migration?
Define the data, identities and access relationships that need to exist in the destination.
My Drive
Files, folders, ownership and sharing
Shared Drives
Content, members, roles and access permissions.
Gmail
Messages, attachments, labels, filters, delegation and forwarding
Groups
Memberships, settings and Group-based access
Users & OUs
Accounts, organizational structure, licenses and attributes
Calendar
Events, resources and sharing.
Permissions
Users, Groups, domains and external access.
Shared-in content
Files users rely on but your organization does not own.
PRE-MIGRATION AUDIT
Before You Move Anything, Audit What You Have
You cannot define a reliable migration scope from user lists alone.
Build a baseline of the source environment so you know what needs to move, what needs to change, and what should not be carried into the destination.
Audit the source
What it can reveal
- These findings can change your migration plan. They help determine which accounts and data should move, how ownership should be mapped, which access should be recreated, and what can be cleaned up before migration.
THE MIGRATION PROCESS
A Safer Migration Starts With a Controlled Plan
A successful Google Workspace migration needs a clear baseline, careful mapping, and validation after the move. Follow these five stages to reduce ownership, access, and data gaps.
Audit
Understand users, data, ownership, sharing and access before anything moves.
Map
Define destination users, Groups, ownership and permissions.
Migrate
Start with a representative pilot before moving larger groups.
Validate
Compare the destination against the source baseline.
Review
Audit the destination again after 30 and 90 days.
Plan the Migration Beyond the Data Transfer
GAT LABS SOLUTIONS
Support Every Stage of Your Google Workspace Migration
GAT gives administrators the visibility and controls to make migration decisions based on what actually exists, then manage the account, ownership and access changes around the move.
Audit & Validate
- Review users, Drive ownership, sharing and storage
- Find externally owned and shared-in files
- Identify inactive and suspended accounts
- Compare access and activity before and after migration
Prepare & Manage
- Bulk create, update and manage user accounts
- Rebuild and manage Google Groups and memberships
- Apply organizational and directory changes at scale
- Automate onboarding, offboarding and lifecycle actions
Protect Sensitive Changes
- Change Drive file and folder ownership
- Modify sensitive sharing permissions
- Transfer content while maintaining controlled access
- Require a second authorized person to approve sensitive actions
Frequently Asked Questions
Google Workspace Domain Migration
How do I migrate from one Google Workspace domain to another?
Start by auditing the source environment and mapping users, data, ownership and permissions to the destination. Choose the appropriate migration method, run a pilot, migrate in controlled phases, then validate the destination against the source before retiring the old environment.
What should I audit before a Google Workspace domain migration?
Review users and OUs, active and suspended accounts, Groups and memberships, My Drive ownership, Shared Drives, external and public sharing, shared-in files, permissions, storage and sensitive data. This establishes what exists before you decide what should move.
What happens to Google Drive permissions during a domain migration?
Permissions may depend on users, Groups, domains, Shared Drive roles and external identities. Because identities can change between domains, permissions should be mapped before migration and validated afterward rather than assuming access will remain the same.
What happens to files owned by personal Gmail accounts?
A Workspace user may have access to business files owned by an external or personal Gmail account. Migrating that user’s Workspace account does not automatically make the organization the owner of those files. Identify shared-in content before migration and decide how externally owned business data should be handled.
How do I know if a Google Workspace migration was successful?
Compare the destination against the source baseline. Check users, file counts, ownership, Shared Drives, permissions, external sharing and actual user access. Data arriving in the destination is only one part of validation.
Should I audit Google Workspace again after migration?
Yes. Run another review around 30 days and 90 days after migration. Look for new external sharing, unexpected ownership, unused legacy accounts, orphaned content, Shared Drive access changes and unresolved access problems.
Move With a Clear Picture of What You're Leaving Behind
Audit users, ownership, permissions, sharing and Workspace data before migration, manage the changes around the move, and verify the destination against your source environment.
