Microsoft 365 Alert – Service Degradation – Power BI – Some users intermittently experience latency when opening gen2 and gen2.1 reports in Microsoft Fabric – ONGOING

08/04/2026 08:16:00 AM

NHSmail Reference: INC46792763

Microsoft Reference: PB1273526

Issue Status: ONGOING

Issue Description: Some users intermittently experience latency when opening gen2 and gen2.1 reports in Microsoft Fabric.

More info: Affected users see delays up to several minutes opening gen2 and gen2.1 reports in Microsoft Fabric.

Current Update: 08/04/2026 08:18:00 AM–Microsoft has confirmed that a recent change introduced a code regression that caused networking problems between the service infrastructure that facilitates opening the affected reports that’s leading to the impact. They have initiated the process of reverting the offending change and expect that the process should remediate the impact by their next scheduled update.

Scope of impact: Some users hosted on the affected infrastructure may experience intermittent latency when opening gen2 and gen2.1 reports in Microsoft Fabric. This information may be updated as our investigation continues.

Root cause: A recent change introduced a code regression that caused networking problems between the service infrastructure that facilitates opening the affected reports that’s leading to the impact.

Next update by: Wednesday, April 8, 2026, at 9:00 AM UTC