Microsoft Fabric · Capacity Administration
Capacity Administrator
Per-capacity administration. Assigned when a Fabric/Power BI capacity is created. Controls workspace assignment to the capacity and workload-level memory configuration.
Scope: Single Fabric or Power BI Premium capacity
Permissions
- Workspaces - Assign or unassign workspaces to this capacity
- Capacity permissions - Manage who can use the capacity
- Workloads - Configure memory and workload-specific settings on the capacity
- Refresh summary - View capacity refresh schedules and history
Common use cases
- Departmental capacity admin (e.g. one capacity per business unit)
- Delegating Fabric capacity ops without giving full tenant access
- Managing capacity-bound workspaces during reorganisations
Best practices
- Assign 2-3 capacity admins per capacity for continuity
- Pair with Capacity Metrics app reviewers for cost visibility
- Document which workspaces belong to which capacity
Security considerations
- Capacity admins can move workspaces between capacities, affecting performance and cost
- Cannot grant workspace-level permissions - those are separate