Microsoft 365 Alert – Service Degradation – Microsoft Teams – Users experience a looping reconnection disruption in Microsoft Teams 1:1 calls initiated by Firefox browser users – ONGOING

Announcements Sourav Nandi

01/11/2024 09:35:00 AM

NHSmail Reference: INC46613392

Microsoft Reference: TM922344

Issue Status: ONGOING

Issue Description: Users experience a looping reconnection disruption in Microsoft Teams 1:1 calls initiated by Firefox browser users.

More info: The issue doesn’t affect users in group calls, meetings, or Public Switched Telephone Network (PSTN) calling.

Current Update: 20/11/2024 15:53:00 PM – Microsoft have nearly completed 100% of the deployment of the fix, and expect completion by the end of Wednesday, November 20, 2024. Once complete, they will monitor the environment to ensure that impact has been fully remediated. However, the majority of impacted users will start to notice that impact has been mitigated for them.

Scope of impact: Your organization is affected by this event, and all users experience a looping reconnection disruption in Microsoft Teams 1:1 calls initiated by Firefox browser users.

Root cause: A code incompatibility between our code and Firefox’s is resulting in impact.

Next update by: Friday, November 22, 2024, at 1:00 PM UTC