Smooth Migration From Power BI Premium to Microsoft Fabric: A Step-by-Step Checklist

Migrating from Power BI Premium to Microsoft Fabric is a major step for organizations seeking enhanced analytics, scalability, and new features. This guide provides a comprehensive checklist, best practices, and mitigation strategies to ensure a smooth and successful migration.


Migration Timeline: What to Expect

Pre-Migration (Months -3 to 0): Planning & Setup

  • Conduct a thorough inventory of all assets.
  • Decide on Fabric capacity sizing and arrange Azure subscription if needed.
  • Assemble a dedicated migration team.
  • Establish a detailed schedule for all preparatory steps.

Day 0: Premium Renewal Lapses

  • Purchase or activate required Fabric capacity (F-SKU).
  • Pause Power BI Premium capacity.
  • Begin migrating initial workspaces to Fabric.

Days 1–30: Phase 1 Migration

  • Reassign the majority of workspaces to Fabric.
  • Prioritize migration of critical content to avoid throttling of legacy capacity.

Days 31–60: Phase 2 Migration

  • Continue migrating remaining content.
  • Address outstanding issues and perform validation checks.
  • Begin optimization efforts on the new Fabric environment.

Days 61–90: Post-Migration & Decommission

  • Provide final training sessions for users.
  • Conduct performance tuning.
  • Decommission old Power BI Premium capacity before it is frozen.

Best Practices for a Successful Migration

  • Thorough Planning & Discovery: Inventory all workspaces and assets, including personal and lesser-used ones. Clean up or archive redundant content.
  • Phased Migration & Pilot First: Start with a pilot migration. Validate steps and resolve issues before proceeding in batches.
  • Capacity Right-Sizing & Monitoring: Analyze current usage to choose the right F-SKU. Monitor capacity and scale as needed.
  • Minimal Disruption: Schedule migrations during off-peak hours. Communicate plans and ensure workspaces are idle.
  • Leverage Automation: Use Microsoft REST APIs and PowerShell cmdlets to bulk assign workspaces, reducing manual errors.
  • Clean Up & Optimize: Archive or delete obsolete datasets and reports. Reorganize workspaces and set proper ownership.
  • Enable New Features Thoughtfully: Roll out new Fabric capabilities gradually after core migration is stable.
  • Robust Training & Change Management: Train admins and users, maintain open feedback channels, and provide documentation.
  • Post-Migration Validation: Validate reports and data after each batch. Monitor system health and usage for several weeks.

Common Issues & How to Avoid Them

Issue / RiskMigration Strategy
Missing the 90-Day WindowFinish well before 90 days. Plan for 60 days or less, monitor progress, and escalate to Microsoft if needed.
Throttling After 30 Days (Old capacity slows down queries)Migrate critical content in the first 30 days to prevent delays or failures.
Under-Sized Fabric CapacityAnalyze usage, right-size F-SKU, and scale up if needed.
Interrupted Refreshes/Queries (Active jobs canceled during move)Migrate during off-hours, pause scheduled refreshes, and restart canceled jobs immediately.
Unmigrated “Orphan” ContentTrack all workspaces and verify none are left on P-SKU. Confirm with owners.
User Confusion or Resistance (Adoption issues)Communicate changes clearly, emphasize benefits, and offer training/support.

Additional Resources


Ready to migrate? Careful planning, phased execution, and robust communication are key to a successful transition to Microsoft Fabric. If you have questions or need support, leave a comment below!


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