Microsoft 365 - Unable to access Exchange on iOs
IMicrosoft 365 - Unable to access Exchange on IOS
Update - Update from Microsoft:
We're continuing to assess if the aforementioned update we reverted was responsible for impact, while simultaneously exploring other potential causes for this event.
Mar 04, 2025 - 16:31 CST
Update - Update from Microsoft:
We've reverted a standard service update that we anticipate is resulting in impact. We're reaching out to a subset of affected users to gather a reproduction of impact, which will help validate that the issue is mitigated after the aforementioned change to the affected infrastructure.
Mar 04, 2025 - 07:01 CST
Update - Update from Microsoft:
Our investigation into the authentication failures has so far revealed that there is an issue with the authentication tokens being sent from the iOS native mail app. We're continuing to investigate and determine the next steps to troubleshoot the issue.
Mar 03, 2025 - 14:32 CST
Update - Update from Microsoft:
- Our analysis of the diagnostics logs has identified authentication failures, which we're continuing to investigate so that we can isolate the source of the impact.
Mar 03, 2025 - 11:59 CST
Update - Update from Microsoft:
We're progressing with our review of the aforementioned diagnostic logs to isolate the root cause and confirm our next steps. In parallel, we've received additional feedback from some affected users' Support resources that the steps provided in the "More info" section have successfully alleviated the issue in the short-term.
- More info
Users may be able to click "continue" when prompted and navigate back to re-entering their password to attempt to resolve impact.
Additionally, some users may be able to bypass the prompt to sign-in by clicking "edit settings" and then entering into the app.
Mar 03, 2025 - 09:47 CST
Investigating - Microsoft is currently experiencing an issue with users accessing Exchange on the IOS Native Mail App. Microsoft has posted a service incident. We appreciate your patience.
Tracking Number: EX1021490
Summary from Microsoft:
Scope of Impact - Any user serviced by the affected infrastructure may experience issues with accessing email messages on the iOS native mail app.
More Info - Users may be able to click "continue" when prompted and navigate back to re-entering their password to attempt to resolve impact.
Additionally, some users may be able to bypass the prompt to sign-in by clicking "edit settings" and then entering into the app.
Latest update from Microsoft:
- We're conducting analysis of authenticator logs from sample affected devices to confirm whether an issue with Microsoft 365 or a third-party application is responsible for causing impact.
Mar 03, 2025 - 09:42 CST