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GaneshPawarD
Jul 15, 2025Copper Contributor
Smart Moves Tenant Migration
✅ Do's – Best Practices for a Successful Migration
1. Plan Thoroughly
Create a detailed migration roadmap. Include:
- Scope of migration (Teams, SharePoint sites, permissions, metadata)
- Timeline and milestones
- Resource allocation (technical team, stakeholders)
- Risk assessment and fallback strategies
2. Conduct a Pre-Migration Assessment
Use migration tool inventory and reporting tools to:
- Analyze site structures, content types, and permissions
- Identify orphaned users, broken links, or unsupported features
- Determine which Teams and SharePoint sites are active and worth migrating
3. Backup Critical Data
Before initiating migration:
- Use native Microsoft 365 backup tools or third-party solutions
- Ensure version history and document libraries are backed up
- Validate backup integrity and accessibility
4. Run Pilot Migrations
Test the migration process on a few Teams and SharePoint sites:
- Validate permission mapping
- Check for metadata preservation
- Identify performance bottlenecks or errors
5. Communicate with Stakeholders
Notify users and admins about:
- Migration timelines and expected downtime
- Changes in access or structure post-migration
- Support channels for reporting issues
6. Leverage migration tool Features
Maximize efficiency by using:
- Bulk migration tools
- PowerShell scripting for automation
- Built-in reports for post-migration validation
7. Document URLs and Site Mappings
Maintain a clear mapping of:
- Source and target site URLs
- Team names and associated SharePoint sites
- Any renamed or restructured components
8. Use Site Mapping and Permission Mapping
Ensure:
- Accurate mapping of source sites to target locations
- Permissions are preserved or reconfigured appropriately
- External sharing settings are reviewed
9. Inform Users About Tool Limitations
Set expectations by clarifying:
- Migration tool does not migrate custom web parts, third-party apps, or workflows
- Manual recreation may be needed for unsupported features
10. Prefer PowerShell for Large Migrations
For large SharePoint sites or Teams:
- Use PowerShell module for faster, more reliable migration
- Schedule scripts during off-peak hours to reduce load
❌ Don'ts – Common Pitfalls to Avoid
1. Don’t Skip Inventory Creation
Without a content inventory:
- You risk missing critical libraries, lists, or permissions
- Migration may be incomplete or inconsistent
2. Don’t Ignore Site Architecture
Preserve:
- Internal links between pages and documents
- Nested folder structures and navigation menus
- Custom views and web part configurations
3. Don’t Rush the Migration
Avoid:
- Skipping validation steps
- Overlooking user feedback
- Migrating without proper testing
4. Don’t Neglect Metadata
Ensure:
- Version history, authorship, and timestamps are retained
- Document properties are mapped correctly
- Metadata is not overwritten or lost
5. Don’t Overlook Security and Compliance
Review:
- Sensitivity labels and compliance policies
- External sharing settings
- Access controls and audit logs
6. Don’t Use Vague Naming Conventions
Avoid:
- Duplicate or confusing site/team names
- Inconsistent naming across tenants
- Lack of documentation for renamed entities
7. Don’t Use GUI for Large Sites
For large-scale migrations:
- Avoid using the graphical interface
- Use PowerShell for better performance and error handling
8. Don’t Schedule Incremental Copies During Working Hours
To minimize disruption:
- Run incremental migrations during off-hours
- Inform users of any temporary access limitations
📌 Summary
- Thorough Planning and Assessment are key to success.
- Backup and Testing prevent data loss and uncover issues early.
- Clear Communication ensures user readiness and reduces confusion.
- Tool Features and Automation improve efficiency and scalability.
- Security and Metadata Preservation maintain compliance and data integrity.
- Avoiding Common Pitfalls ensures a smooth and complete migration.
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