Microsoft 365 Alert – Service Degradation – Exchange Online – Some users may have seen incorrect presence status information in Microsoft Teams – ONGOING

18/06/2026 09:22:00 AM

NHSmail Reference: INC46855065

Microsoft Reference: MO1395293

Issue Status: ONGOING

Issue Description: Users may see the incorrect version update within Microsoft 365 Copilot and Microsoft Teams.

More info: Impact is specific to users’ admins who attempted to publish Microsoft Copilot Studio updates within the Microsoft Teams admin center through Tuesday May 5, 2026, and Wednesday, June 10, 2026.

Current Update: 18/06/2026 09:36:00 AM – Microsoft has determined that a recent service update contains a code regression and is resulting in impact. They are analyzing this regression in tandem with data from a subset of affected users to refine their understanding of the underlying cause of impact, which will aid in developing our subsequent troubleshooting actions.

Scope of impact: Your organization is impacted by this event, and users utilizing Microsoft 365 Copilot and Microsoft Teams are impacted. This section may be updated as our investigation proceeds.

Root cause: A recent service update contains a code regression and is resulting in impact.

Next update by: Thursday, June 18, 2026, at 7:30 PM UTC