(Resumed) Users accessing Microsoft Teams via the Firefox browser will be unable send messages when they click the send button

Microsoft issued an incident report on 11 Mar 2023 (Sat) about issues in Microsoft Teams.

Users Affected Microsoft users
Start Time 11 Mar 2023 9:21 AM
End Time 21 Mar 2023 10:15 PM
User Impact Users accessing Microsoft Teams via the Firefox browser will be unable send messages when they click the send button
 More info More info: As an alternate method users can use another browser, or hit enter instead of clicking the send button.

Current status: Microsoft’ve confirmed that their fix deployment is complete and this issue is resolved for most affected users. A secondary fix deployment will be deployed to address any remaining affected users, and updates regarding this deployment moving forward will be provided through a separate communication.

Root cause: A third-party service update caused code conflict between the service and the Microsoft Teams web app, leading to impact.

Status Microsoft fixed the problem.

Last update by Microsoft: 23 Mar 2023 (Thu) 6:22 AM