Microsoft 365 Alert – Service Degradation – Windows 365 – Users may have been unable to see their Windows 365 Frontline Dedicated Cloud PCs in the Windows app – RESOLVED

16/03/2026 08:32:00 AM

NHSmail Reference: INC46775081

Microsoft Reference: WP1253861

Issue Status: RESOLVED

Issue Description: Users may be unable to see their Windows 365 Frontline Dedicated Cloud PCs in the Windows app.

More info: This occurred in all Windows app clients.

Fianl Update: 17/03/2026 08:47:00 AM –Microsoft has completed their review of thier logs and have correlated impact with a recent update to the service that contained a configuration issue, which led to impact. They have since rolled back this update to restore the previous configuration and they have received confirmation for affected users that impact has been successfully remediated.

Scope of impact: Any user may have been impacted by this event, and may have been unable to see their Windows 365 Frontline Dedicated Cloud PCs in the Windows app.

Root cause: A recent update to the affected service contained a configuration issue that led to impact.

Next Steps: Microsoft are reviewing their update procedures to understand why the configuration issue wasn’t identified during their initial testing phase. This will help to drive service improvements by proactively identifying similar issues in the future.