Microsoft 365 Alert – Service Degradation – Microsoft Teams – Users may be unable to access the Microsoft Teams desktop client – ONGOING

Announcements Habiba Tabasum

03/07/2024 08:36:00 AM

NHSmail Reference: INC44052561

Microsoft Reference: TM807333

Issue Status: ONGOING

Issue Description: Users may be unable to access the Microsoft Teams desktop client.

More info: This event impacts users on version 24152.412.2958.9166 of Microsoft Teams.

While Microsoft work to resolve this issue, affected users can utilize the Microsoft Teams web client as expected.

Current Update: 04/07/2024 08:42:00 AM – Microsoft have completed validations for their solution, which has determined that it will be viable for remediating the impact. Their fix deployment timelines are estimating that the deployment will have completed, and impact will be remediated by Friday, July 12, 2024.

Scope of impact: Any user on version 24152.412.2958.9166 attempting to access the Microsoft Teams desktop client may be impacted.

Root cause: A recent service update to a portion of the Microsoft Teams service infrastructure, which intended to enhance our service monitoring system, introduced a code regression, resulting in impact.

Next update by: Monday, July 8, 2024, at 6:00 PM UTC