Microsoft 365 Alert – Service Degradation – Power BI – Users utilizing Spark notebooks in Microsoft Fabric will see intermittent issues when accessing shortcut delta tables – RESOLVED

Announcements Shagufta Naaz

18/05/2026 08:31:00 AM

NHSmail Reference: INC46855055

Microsoft Reference: PB1393047

Issue Status: RESOLVED

Issue Description: Users utilizing Spark notebooks in Microsoft Fabric will see intermittent issues when accessing shortcut delta tables.

More info: Affected users may see an “Unknown” status for the external Gmail contacts.

Final Update: 11/08/2026 01:59:00 PM – Microsoft has validated that their staged reversion completed as expected and successfully remediated all impact for this issue.

Scope of impact: Your organization is affected by this issue, and any user utilizing Spark notebooks in Microsoft Fabric to access shortcut Delta tables is impacted.

Root cause: A recent API update is causing shortcut delta tables to fail in Spark notebooks.