Key Takeaways
- Never deactivate the old system until the new system is fully verified—maintain parallel operation for 30+ days.
- Test migrations with a small data sample before migrating the full dataset.
- Automated data validation comparing source and destination must occur before go-live.
- Document a rollback procedure before beginning any system migration.
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Test Your Knowledge
1.What is operational risk?
2.What is a risk register?
3.What is the Recovery Time Objective (RTO)?