check before: 2026-04-01
Product:
Fabric, OneDrive, Power BI
Platform:
Online, World tenant
Status:
Change type:
Feature update, User impact, Admin impact
Links:
Details:
Summary:
Microsoft Fabric's OneLake introduces storage tiers (hot, cool, cold) and updates operation reporting by including tier names, consolidating proxy/redirect operations, and grouping by workspace in the Capacity Metrics app. Billing rates remain unchanged. Changes start April 1, 2026; item-level details move to OneLake diagnostics.
Details:
[Introduction]
We're introducing OneLake storage tiers (hot, cool, and cold) in Microsoft Fabric. As part of this rollout, we are updating how OneLake compute operations appear in your capacity billing. These updates improve clarity and align reporting with the new storage tier model. There is no change to billing rates.
Key updates include
Operation names include the storage tier. For example, "OneLake Read via Proxy" becomes "OneLake Read (Hot)."
Proxy and Redirect operations are consolidated. Operations previously reported separately will appear under a single operation name. Because consumption rates are the same, this has no billing impact.
Operations are reported at the workspace level. A new OneLake item in the Fabric Capacity Metrics app groups operations by workspace instead of individual items. For item-level detail, use OneLake diagnostics to understand usage across Fabric and non-Fabric workloads.
Units of measure and consumption rates remain unchanged.
[When this will happen]
Operation name updates begin April 1, 2026.
Operation consolidation and Metrics app updates will roll out over the following weeks.
Change Category:
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Scope:
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Release Phase:
Created:
2026-03-24
updated:
2026-03-24
Task Type
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Docu to Check
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MS How does it affect me
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MS Preperations
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MS Urgency
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
Operation Name Changes
Operation names will change to include storage tier information, which may lead to confusion in existing reports and dashboards if not updated beforehand.
- roles: Data Analysts, Business Intelligence Developers
- references: https://learn.microsoft.com/fabric/onelake/onelake-consumption, https://learn.microsoft.com/fabric/enterprise/metrics-app-install?tabs=1st
Consolidation of Operations
Proxy and Redirect operations will be consolidated under a single name, potentially impacting users who rely on detailed operation tracking for performance analysis.
- roles: System Administrators, Data Engineers
- references: https://learn.microsoft.com/fabric/onelake/onelake-diagnostics-overview, https://learn.microsoft.com/fabric/onelake/onelake-overview
Workspace-Level Reporting
Operations will be reported at the workspace level, which may hinder users' ability to track item-level details unless they configure OneLake diagnostics.
- roles: IT Operations Managers, Reporting Analysts
- references: https://learn.microsoft.com/fabric/onelake/onelake-consumption, https://roadmap.fabric.microsoft.com/?product=onelake
Configutation Options**
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Opportunities**
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Potentional Risks**
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Data Protection**
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IT Security**
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DPIA Draft**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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