Microsoft 365 Alert – Service Degradation – Power BI – Users’ pipelines associated with Dataflow Gen2 refreshes in Microsoft Fabric show Activity status as failed – RESOLVED

26/01/2026 09:16:00 AM

NHSmail Reference: INC46735361

Microsoft Reference: PB1222918

Issue Status: RESOLVED

Issue Description: Users’ pipelines associated with Dataflow Gen2 refreshes in Microsoft Fabric show Activity status as failed

More info: Despite showing as failed, Dataflow refreshes are succeeding and pipeline activity may show the correct status on retry.

Final Update: 04/02/2026 09:23:00 AM – Microsoft has completed deployment of their code fix to address the offending code regression and validated that their actions successfully remediated the impact.

Scope of impact: Your organisation is affected by this impacting event, and all users see pipelines associated with Dataflow Gen2 refreshes in Microsoft Fabric as failed. This information may be updated as our investigation continues.

Root cause: A recent service deployment introduced a code-related issue, resulting in the impact.

Next update by: Microsoft are analyzing the offending deployment to validate why the potential for impact wasn’t caught during their testing and validation phases. This analysis will help them to improve the quality and reliability of their future updates while also helping us to ensure similar impact doesn’t occur in the future.