Microsoft 365 Alert – Service Degradation – Microsoft Intune – Users can’t open Microsoft Intune-protected apps on their Android and iOS devices after leaving them unopened – RESOLVED

23/03/2026 08:05:00 AM

NHSmail Reference: INC46806919

Microsoft Reference: IT1288501

Issue Status: RESOLVED

Issue Description: Users can’t open Microsoft Intune-protected apps on their Android and iOS devices after leaving them unopened.

More info: The apps won’t open if users haven’t opened them within their Intune administrator’s Offline Grace Period.

A way to circumvent this issue is to sign out and sign back into the application with their work account.

Final Update: 24/03/2026 08:47:00 AM – Microsoft developed and deployed a code fix to address a regression from a recent service update. They monitored the environment after the deployment completed to validate that the impact is remediated.

Scope of impact: Your organization is affected by this event, and all users can’t open Intune-protected apps on their Android and iOS devices after leaving them unopened for some time. This information may be updated as our investigation continues.

Root cause: A code regression in a recent service update is resulting in this issue.

Next Steps: Microsoft are continuing their analysis of the recent service update to better understand what triggered the impact, which will help us prevent similar issues during future deployments.