Service issues › TM1451939
Users' locations may not be accurate during iOS Microsoft Teams emergency calls
- Started
- 02 Jul 2026 15:09 UTC
- Resolved
- 01 Sep 2026 18:07 UTC
- Status
- serviceRestored
- Origin
- microsoft
Timeline & resolution
01 Sep 2026 18:17 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not have been accurate during iOS Microsoft Teams emergency calls.
More info: Affected users were still able to make iOS emergency calls, but their location might have been inaccurate to the responder. This was specific to users on iOS version 26 and newer.
Final status: After verifying with affected users that locations were accurate during iOS Microsoft Teams emergency calls, we've confirmed that the impact has been remediated.
Scope of impact: Impact was specific to users on iOS 26 or newer who made emergency calls using the Microsoft Teams application.
Start time: Thursday, July 2, 2026, at 3:09 PM UTC
End time: Monday, August 31, 2026, at 6:00 PM UTC
Root cause: A change within iOS API infrastructure resulted in inaccurate user location data being reported during iOS emergency calls.
Next steps:
- We're further analyzing the offending change within iOS API infrastructure to help us improve our pre-deployment testing and validation processes and to help prevent similar issues in the future.
This is the final update for the event.
01 Sep 2026 12:08 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: We've confirmed the new version deployment has completed successfully, and users should see their Microsoft Teams app update automatically.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues. However, users may also be able to manually download the latest version through the App Store. We're reaching out to your organization's representatives to ensure that impact is resolved.
Root cause: A change within iOS API infrastructure is resulting in inaccurate user location data being reported during iOS emergency calls.
Next update by: Tuesday, September 1, 2026, at 7:30 PM UTC
25 Aug 2026 03:44 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: The deployment of the fix in the latest version of the Microsoft Teams app is in progress. We estimate that the deployment will complete by August 31, 2026. Users with automatic updates enabled in the App Store should see their Microsoft Teams app automatically updated over the course of the deployment. Users may also be able to manually download the latest version through the App Store. We'll continue monitoring the deployment progress to ensure that the impact is remediated.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues.
Root cause: A change within iOS API infrastructure is resulting in inaccurate user location data being reported during iOS emergency calls.
Next update by: Tuesday, September 1, 2026, at 12:30 PM UTC
24 Aug 2026 19:13 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: We've completed the additional steps required to validate our remediation and have begun the deployment process. We’re aiming to provide more details on the timeline until resolution by our next scheduled communication update.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues.
Root cause: A change within iOS API infrastructure is resulting in inaccurate user location data being reported during iOS emergency calls.
Next update by: Tuesday, August 25, 2026, at 5:00 AM UTC
24 Aug 2026 11:26 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: We're continuing validation of the fix before deployment can begin. This process is taking longer than anticipated due to additional validation steps. We anticipate deployment will begin before our next scheduled update.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues.
Root cause: A change within iOS API infrastructure is resulting in inaccurate user location data being reported during iOS emergency calls.
Next update by: Monday, August 24, 2026, at 8:30 PM UTC
21 Aug 2026 11:24 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: Our previous update with regards to the fix was incorrect. We're preparing the fix to start deployment, which should start by our next scheduled update.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues.
Root cause: Changes to iOS API infrastructure have resulted in inaccurate user location data during iOS emergency calls.
Next update by: Monday, August 24, 2026, at 11:30 AM UTC
20 Aug 2026 07:50 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: The fix deployment is progressing and we expect this to be complete by our next scheduled update. It may take an additional 24 hours for the fix to propagate once its successfully deployed.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues.
Root cause: Changes to iOS API infrastructure have resulted in inaccurate user location data during iOS emergency calls.
Next update by: Friday, August 21, 2026, at 11:30 AM UTC
19 Aug 2026 18:31 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: We're continuing to monitor as the fix deployment progresses and will provide a complete remediation timeline once available.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues.
Root cause: Changes to iOS API infrastructure have resulted in inaccurate user location data during iOS emergency calls.
Next update by: Thursday, August 20, 2026, at 9:00 AM UTC
19 Aug 2026 13:49 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: We've validated the fix and have begun deploying it to the affected infrastructure. We're monitoring the rollout as it continues to propagate across the environment, and are validating that the deployment is fully mitigating impact.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues.
Root cause: Changes to iOS API infrastructure has resulted in user location data to become inaccurate during iOS emergency calls.
Next update by: Wednesday, August 19, 2026, at 7:30 PM UTC
13 Aug 2026 14:28 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: We're progressing with our efforts to validate a suitable fix in our test environment, although this is taking longer than initially anticipated. We're carrying out tests to ensure that the fix doesn't present any further issues and further clarify confirmation of the root cause.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues.
Root cause: Changes to iOS API infrastructure has resulted in user location data to become inaccurate during iOS emergency calls.
Next update by: Wednesday, August 19, 2026, at 3:00 PM UTC
12 Aug 2026 17:42 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: We're continuing the validation process for our fix, and we'll aim to provide a timeline for it to complete by our next scheduled communications update.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues.
Root cause: Changes to iOS API infrastructure has resulted in user location data to become inaccurate during iOS emergency calls.
Next update by: Thursday, August 13, 2026, at 3:00 PM UTC
11 Aug 2026 18:55 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: The development of the fix is taking longer than initially expected. We'll provide an updated timeline once one is available.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application. This information may be updated as our investigation continues.
Root cause: Changes to iOS API infrastructure has resulted in user location data to become inaccurate during iOS emergency calls.
Next update by: Wednesday, August 12, 2026, at 7:30 PM UTC
11 Aug 2026 12:49 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: We're continuing to develop a fix in our internal environment to remediate impact and restore location data functionality. We expect this to be ready to be deployed by our next scheduled update.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application.
Root cause: Changes to iOS API infrastructure has resulted in user location data to become inaccurate during iOS emergency calls.
Next update by: Tuesday, August 11, 2026, at 7:30 PM UTC
10 Aug 2026 12:52 UTC · regular
Title: Users' locations may not be accurate during iOS Microsoft Teams emergency calls
User impact: Users' locations may not be accurate during iOS Microsoft Teams emergency calls.
More info: Affected users are still able to make iOS emergency calls but their location may be inaccurate to the responder. This is specific to users on iOS version 26 and newer.
Current status: We've identified that changes to iOS API infrastructure has inadvertently resulted in user location data to become inaccurate during iOS emergency calls. We're developing a fix in our internal environment to remediate impact and restore location data functionality.
Scope of impact: Impact is specific to any user on iOS 26 or newer making emergency calls using the Microsoft Teams application.
Root cause: Changes to iOS API infrastructure has inadvertently resulted in user location data to become inaccurate during iOS emergency calls.
Next update by: Tuesday, August 11, 2026, at 1:00 PM UTC
Source: Microsoft 365 service health.