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

Announcements Shagufta Naaz

18/05/2026 08:31:00 AM

NHSmail Reference: INC46855055

Microsoft Reference: PB1393047

Issue Status: ONGOING

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.

Current Update: 22/06/2026 09:46:00 AM – The staged reversion is progressing, and some users may see relief. Microsoft will continue to monitor this process and provide a completion timeline when one is available.

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.

Next update by: Friday, June 19, 2026, at 7:00 PM UTC