Microsoft 365 Alert – Service Degradation – Microsoft Intune – Users are returned multiple Multifactor Authentication (MFA) prompts when enrolling iOS devices with Microsoft Intune – RESOLVED

Announcements Sharmista Mohanta

13/08/2026 08:43:00 AM

NHS.net Connect Reference: INC46908307

Microsoft Reference: IT1453657

Issue Status: RESOLVED

Issue Description: Users are returned multiple MFA prompts when enrolling iOS Automated Device Enrollment devices with Microsoft Intune.

More info: Users can bypass impact by logging into Microsoft Authenticator prior to enrolling iOS Automated Device Enrollment (ADE) devices.

Final Update: 13/08/2026 04:44:00 PM –Microsoft has further identified that the offending service update introduced a code regression within the MFA flow, resulting in impact. They have received confirmation from your representatives that reverting the service update has remediated the impact.

Scope of impact: Your organisation is affected by this event, and users are returned multiple MFA prompts when enrolling iOS Automated Device Enrollment devices with Microsoft Intune. This section may be updated as the investigation progresses.

Root cause: A recent service update introduced a code regression within the MFA flow, resulting in impact.

Next steps: Microsoft is reviewing their update procedures to understand why impact to MFA functionality wasn’t caught during the testing phase. This will allow them to drive service improvements by proactively identifying similar issues in the future and improve their update testing processes.