Data Migration Guide
Upgrading systems, moving to the cloud, or consolidating data for mergers and acquisitions? Understanding data migration strategy and leveraging the right tools and expertise can transform what might seem like an overwhelming technical challenge into a streamlined, efficient process that preserves data integrity while minimizing operational impact.
The Data Migration Process
Data migration is a complex process. It involves detailed planning, preparation, and strategy. There are complexities with higher data volume, data type, security, encryption, and specific organization or industry requirements. The right process makes a data migration project as seamless and efficient as possible.
Scoping
- Determine the accurate volume of data, outline the source, and the target.
- Confirm all migration policies, including any filtering and folder structure.
- Outline data mapping from source to target.
Setup
- Install migration software and perform a test migration.
- Determine performance benchmarking.
Reconciliation
- Configure the chain of custody report and validate the migration process
Production
- Move as much data as quickly as possible, continually migrating data until the project is complete. Monitor migration 24/7/365
- Retry message failures
- Report weekly progress
Archive Migration Tools: What Sets ArchiveMASH ™ Apart
There’s plenty of archive migration software to choose from. We know speed is a critical component, so we built our own: ArchiveMASH. What makes ArchiveMASH different from the other tools? Speed, efficiency, and expertise.
| Feature | ArchiveMASH | Transvault | Benefits |
|---|---|---|---|
| .NET Framework | 10 | 4.8 | Faster execution, modern memory optimization, and security standards. |
| Can Process Malformed Domino Data | ✔ | ? Treats Malformed Data as a Failure |
Prevents migration stalls; handles corrupted legacy items smoothly. |
| Processes Domino without Notes Client | ✔ | ✘ | Simplifies environment prerequisites and eliminates legacy client dependencies. |
| Does Not Requires Outlook and Windows MAPI Subsystem | ✔ | ✘ | Bypasses MAPI bottlenecks and complex endpoint prerequisites. |
| Migrates Encrypted NSFs in O365 | ✔ | ? Requires Custom Development |
Out-of-the-box support without costly custom scripting or delays. |
| Native EDB Processing | ✔ | ? Requires Mounting in Exchange |
Exchange only supports mounting one EDB at a time, slowing down the whole migration. |
| O365 Migration Method Fully Supported by Microsoft | ✔ | ✘ | Simplifies Microsoft data migrations. |
| Supported Data Sources | 62+ | 29+ | Over double the connector versatility across legacy, cloud, and hybrid archives. |
Transvault data accurate as of July 2026. Competitor information is subject to a disclaimer. Transvault and the Transvault logo are trademarks of their respective owner. Their use on this page is solely for identification and comparative purposes. Bluesource is not affiliated with, sponsored by, or endorsed by Transvault or Transvault Software Limited. All other trademarks are the property of their respective owners.
Migration Successes
The keys to a successful migration are proper planning and expertise. But even with the most detailed plan and talented experts, migrations face challenges: complex data, unique requirements, and failed messages.
Success Highlight: Zero Failures
The accepted industry failure rate is around 4%. We aim lower. We’ll automatically retry failed messages and aim to find a solution before determining a migration is not possible. For one client, a migration project totaled over one billion emails (over 420 terabytes). Our experts migrated everything – with ZERO failures.
Success Highlight: Encrypted Email
Facing the challenge of migrating emails encrypted with Entrust from on-premises Microsoft Exchange to Google Workspace, with encryption certificates set for a one-year period, and Google rejecting any messages with expired certificates. Bluesource developed software to decrypt the message using the expired certificate into a standard EML and migrate to Google Workspace using their API.
With specialized tools like ArchiveMASH that prioritize speed and efficiency, combined with expert guidance that can address unique technical hurdles, Bluesource can achieve migration success rates that exceed industry standards.