Microsoft 365 Alert – Service Degradation – Power BI – Some users intermittently can’t render R and Python script visuals within Power BI – RESOLVED

Announcements Sourav Nandi

26/09/2025 08:55:00 AM

NHSmail Reference: INC46640304

Microsoft Reference: PB1159553

Issue Status: RESOLVED

Issue Description: Some users intermittently can’t render R and Python script visuals within Power BI.

More info: Affected users can render R and Python script visuals as expected by refreshing the page or logging in and out of Power BI.

Final Update: 08/10/2025 08:36:00 AM – Microsoft have completed their deployment to all regions affected by this event and confirmed that impact was remediated.

Scope of impact: Your organization is affected by this event, and some users attempting to render R and Python script visuals within Power BI are intermittently impacted.

Root cause: A recent service update to modify the user authentication process introduced a code regression, resulting in impact.

Next Steps: Microsoft are analyzing why this recent service update introduced a code regression, to better inform their update processes and avoid service issues like this in the future.