Some users who are team owners may see an incorrect member and guest count for some teams within Microsoft Teams

Title: Some users who are team owners may see an incorrect member and guest count for some teams within Microsoft Teams

User impact: Users who were team owners may have seen an incorrect member and guest count for some teams within Microsoft Teams.

Final status: We’ve confirmed that deployment of the fix is now fully complete and that the impact is remediated.

Scope of impact: Some users who were team owners may have been impacted by this event when attempting to view member and guest counts for some teams.

Start time: Friday, November 3, 2023, at 7:30 PM UTC

End time: Tuesday, March 26, 2024, at 11:46 PM UTC

Root cause: A code issue within a portion of the Microsoft Teams service infrastructure was causing inaccurate roster summary values for some teams, resulting in impact.

Next steps:

– We’re reviewing this code issue to understand why and how it occurred to prevent similar impact from reoccurring in the future.

This is the final update for the event.