User impact: Users may be unable to send subscription email messages to external users in Power BI.

Final status: Our fix completed its deployment, and we were able to confirm that the event has been resolved through service health telemetry.

Scope of impact: Impact may have occurred for all users attempting to send subscription email messages to external users in Power BI.

Start time: Thursday, January 29, 2026, at 6:45 PM UTC

End time: Saturday, April 11, 2026, at 12:00 AM UTC

Root cause: An influx of automated email traffic from Power BI subscriptions was resulting in impact to external subscription email delivery.

Next steps: 
– We’re reviewing the influx of automated email traffic to better understand what led to the error that resulted in impact and prevent similar future occurrences.

This is the final update for the event.