Microsoft 365 Alert – Service Degradation – Microsoft Teams – Users are unable to open Planner plans that are linked to a channel tab in the Microsoft Teams mobile client on iOS – RESOLVED

10/06/2024 09:10:00 AM

NHSmail Reference: INC43591643

Microsoft Reference: TM799732

Issue Status: RESOLVED

Issue Description: Users are unable to open Planner plans that are linked to a channel tab in the Microsoft Teams mobile client on iOS.

More info: Impact is present on version 6.9.0 of the mobile client as well as any later versions. While we’re focused on remediation, users can access affected plans through the standalone Planner app in Microsoft Teams directly as a workaround, and the underlying functionality is still present.

Final Update: 24/06/2024 08:48:00 AM – The updated 6.11.1 version of the Microsoft Teams mobile client has been deployed, and they have confirmed through monitoring service telemetry and testing with affected devices that updating to this version has resolved the issue. Affected users will need to update their Teams mobile client to version 6.11.1 to remediate the impact.

Scope of impact: Your organization is affected by this event, and users attempting to open Planner plans that are linked to a channel tab in the Microsoft Teams mobile client on iOS are impacted.

Root Cause: A code issue introduced by a recent service update resulted in users being unable to open Microsoft Planner plans that were linked to a channel tab in the Microsoft Teams mobile client on iOS.

Next steps: Microsoft are reviewing their update procedures to understand why the code issue wasn’t caught during the testing phase. This will allow them to drive service improvements by proactively identifying similar issues in the future and improve our update testing processes.