SHD / MC Checker

[serviceRestored] PB1238769 | Power BI | Some users using the January 2026 Report Server version (1.25.9508.3237) may have encountered access issues



PB1238769 | Power BI | Some users using the January 2026 Report Server version (1.25.9508.3237) may have encountered access issues

Status serviceRestored
Classification advisory
User Impact Users using the January 2026 Report Server version (1.25.9508.3237) may have encountered access issues.
Last Updated 02/25/2026 15:24:05
Start Time 01/21/2026 00:00:00
End Time 02/25/2026 15:00:00
Latest Message Title: Some users using the January 2026 Report Server version (1.25.9508.3237) may have encountered access issues

User impact: Users using the January 2026 Report Server version (1.25.9508.3237) may have encountered access issues.

More info: Users using the January 2026 Report Server version (1.25.9508.3237) may have encountered access issues, as certain reports may have triggered excessive crash dump generation on disks. As a workaround, users could have downgraded to the September 2025 version (1.15.8377.1837) or deleted the generated crash dump files due to a known limitation.

Final status: We’ve determined that an issue with the January 2026 Report Server version (1.25.9508.3237) may have caused access issues, as certain reports could have triggered excessive crash dump generation on disk. We’ve reverted to the previous working version September 2025 version (1.15.8377.1837), which has remediated impact.

Scope of impact: Impact was specific to users using the January 2026 Report Server version (1.25.9508.3237).

Start time: Wednesday, January 21, 2026, at 12:00 AM UTC

End time: Wednesday, February 25, 2026, at 3:00 PM UTC

Root cause: An issue with the January 2026 Report Server version (1.25.9508.3237) may have caused access issues, as certain reports could have triggered excessive crash dump generation on disk.

Next steps:
– We’re continuing to identify the underlying root cause of impact within the January 2026 Report Server version (1.25.9508.3237).

– We’re reviewing our update procedures to better identify similar issues during our development and testing cycles.

This is the final update for the event.