Status Page

O365 - Teams

2026-01-05	Status	Description
10:42 AM		Users may see higher battery and CPU usage in Microsoft Teams calls when participants screenshare or share video Issue ID: TM1212913 Affected services: Microsoft Teams Status: Service degradation Issue type: Advisory Start time: Dec 22, 2025, 2:14 AM AST More info Microsoft Teams users on Windows may see higher battery and CPU usage when viewing a screenshare or video from other participants, which can lead to increased battery drain as more participants share video. This issue only impacts the Microsoft Teams desktop client on Windows. Scope of impact Any user may be impacted by this event and may see higher battery and CPU usage in Microsoft Teams calls when participants screenshare or share video. Root cause A recent routine Microsoft Teams update contained a code issue, leading to higher battery and CPU usage in Microsoft Teams calls. Current status Jan 7, 2026, 12:12 AM AST We've completed validation of the fix and have initiated its deployment. We're monitoring as it progresses and will provide a completion timeline when one becomes available. Next update by: Monday, January 12, 2026 at 3:30 AM AST History of updates Jan 5, 2026, 2:18 AM AST We received reports of an issue with higher battery and CPU usage within Microsoft Teams calls. We analyzed service telemetry and recent service changes, which identified a routine update containing a code issue that led to increased battery and CPU usage during calls. We're validating a fix in our internal testing environments. Once validation is complete, we'll monitor progress and proceed with full deployment to the impacted environments.