【トラブルシューティング】Microsoft Teams の会議中に映像ではなくプロフィール写真やアバターが断続的に表示される SI（サービス インシデント）が発生【TM292912】【復旧済み】

Microsoft が提供する Microsoft 365 のサービス正常性（TM292912）にて、Microsoft Teams の会議中に映像ではなくプロフィール写真やアバターだけが断続的に表示されるユーザーがいる SI（サービス インシデント）が発生していました。

現在は、修正プログラムの展開が完了しており事象が発生していたユーザーにて改善されたことを確認しています。

なお、本事象は最近の Microsoft Teams 内でのビデオ レンダリング ロジックに関する修正内にコード リグレッションが原因となっているためが含まれていたことにより発生していた問題になります。

今後は、レンダリング ロジックのアップデート手順を見直し、開発およびテスト サイクル中に同様の問題を特定できるようにするとのことです。

※ この問題は Microsoft Teams でビデオ通話を利用しようとしたユーザーに影響をおよぶ可能性のある問題になります。

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Some users intermittently see only profile pictures or avatars instead of video during Microsoft Teams meetings – TM292912

サービス：Microsoft Teams

状態：Service restored

ユーザーへの影響：Users are intermittently seeing only profile pictures or avatars instead of video during Microsoft Teams meetings.

Microsoft 365 のサービス正常性（TM292912）にて、Microsoft Teams の会議中に映像ではなくプロフィール写真やアバターだけが断続的に表示されるユーザーがいる SI（サービス インシデント）が発生していました。

現在は、修正プログラムの展開が完了しており事象が発生していたユーザーにて改善されたことを確認しています。

なお、本事象は最近の Microsoft Teams 内でのビデオ レンダリング ロジックに関する修正内にコード リグレッションが原因となっているためが含まれていたことにより発生していた問題になります。

今後は、レンダリング ロジックのアップデート手順を見直し、開発およびテスト サイクル中に同様の問題を特定できるようにするとのことです。

※ この問題は Microsoft Teams でビデオ通話を利用しようとしたユーザーに影響をおよぶ可能性のある問題になります。

October 28, 2021 2:48 AM – Service restored

• ・Title : Some users intermittently see only profile pictures or avatars instead of video during Microsoft Teams meetings
• ・User Impact : Users were intermittently seeing only profile pictures or avatars instead of video during Microsoft Teams meetings.
• ・Final status : The fix deployment has completed, and we’ve confirmed with some users that impact is fully remediated.
• ・Scope of impact : Any user attempting to view video calls in Microsoft Teams may have experienced impact.
• ・Start time : Thursday, September 9, 2021, 3:56 AM (9/8/2021, 6:56 PM UTC)
• ・End time : Wednesday, October 27, 2021, 9:30 AM (12:30 AM UTC)
• ・Root cause : A recent fix to the video rendering logic within Microsoft Teams exposed a latent code regression, which caused this impact.
• ・Next steps : – We’re reviewing our rendering logic update procedures to better identify similar issues during our development and testing cycles.
• This is the final update for the event.

October 27, 2021 8:21 AM – Service restored

• ・Title : Some users intermittently see only profile pictures or avatars instead of video during Microsoft Teams meetings
• ・User Impact : Users are intermittently seeing only profile pictures or avatars instead of video during Microsoft Teams meetings.
• ・Current status : We’ve determined that the fix deployment is progressing properly and are continuing to monitor its saturation to ensure that no issues arise, and that impact gets fully remediated.
• ・Scope of impact : Any user attempting to view video calls in Microsoft Teams may experience impact.
• ・Start time : Thursday, September 9, 2021, 3:56 AM (9/8/2021, 6:56 PM UTC)
• ・Root cause : A recent fix to the video rendering logic within Microsoft Teams exposed a latent code regression, which is causing this impact.
• ・Next update by : Wednesday, October 27, 2021, 10:00 AM (1:00 AM UTC)

October 23, 2021 5:26 AM – Service restored

• ・Title : Some users intermittently see only profile pictures or avatars instead of video during Microsoft Teams meetings
• ・User Impact : Users are intermittently seeing only profile pictures or avatars instead of video during Microsoft Teams meetings.
• ・Current status : We’ve validated and initiated the incremental deployment of a fix for the rendering logic, which we anticipate should complete early next week.
• We’ll have a better estimation on the impact resolution by our next update.
• ・Scope of impact : Your organization is affected by this event, and any user attempting to view video calls in Microsoft Teams may experience impact.
• ・Root cause : Video rendering logic within Microsoft Teams isn’t performing as expected due to a possible code regression.
• ・Next update by: Tuesday, October 26, 2021, 6:30 AM (10/25/2021, 9:30 PM UTC)

October 22, 2021 1:43 AM – Service restored

• ・Title : Some users intermittently see only profile pictures or avatars instead of video during Microsoft Teams meetings
• ・User Impact : Users are intermittently seeing only profile pictures or avatars instead of video during Microsoft Teams meetings.
• ・Current status : We’re continuing to develop a code fix for the rendering logic that may remediate impact.
• We’ll monitor the progress of the fix development process and provide a deployment timeline as soon as one becomes available.
• ・Scope of impact : Your organization is affected by this event, and any user attempting to view video calls in Microsoft Teams may experience impact.
• ・Next update by : Saturday, October 23, 2021, 6:30 AM (10/22/2021, 9:30 PM UTC)

October 22, 2021 12:31 AM – Service restored

• ・Title : Some users intermittently see only profile pictures or avatars instead of video during Microsoft Teams meetings
• ・User Impact : Users are intermittently seeing only profile pictures or avatars instead of video during Microsoft Teams meetings.
• ・Current status : We’ve determined that the video rendering logic within Microsoft Teams isn’t performing as expected due to a possible code regression.
• We’re developing a code fix for the rendering logic that may remediate impact.
• ・Scope of impact : Your organization is affected by this event, and any user attempting to view video calls in Microsoft Teams may experience impact.
• ・Next update by: Friday, October 22, 2021, 2:30 AM (10/21/2021, 5:30 PM UTC)

October 9, 2021 12:39 AM – Service restored – Service restored

• ・Title : Some users intermittently see only profile pictures or avatars instead of video during Microsoft Teams meetings
• ・User Impact : Users are intermittently seeing only profile pictures or avatars instead of video during Microsoft Teams meetings.
• ・More info : Users may be able to disable and then re-enable their video in the meeting for temporary relief from this problem.
• ・Current status : The fix is still on track to be fully deployed and remediate impact by Tuesday, October 12, 2021.
• We’ll continue monitoring until this deployment completes to confirm that impact is remediated.
• ・Scope of Impact : This issue may intermittently impact a subset of your users and our telemetry indicates that only a small number of organizations may be impacted by this issue.
• ・Estimated time to resolve : We expect that the issue will be fully resolved by Tuesday, October 12, 2021.
• ・Root cause : A recent update to resolve an unrelated issue has resulted in a configuration issue on a component that facilitates some Microsoft Teams meeting video tasks, resulting in impact.
• ・Next update by : Wednesday, October 13, 2021, 2:00 AM (10/12/2021, 5:00 PM UTC)

October 5, 2021 1:26 AM – Service restored

• ・Title : Some users intermittently see only profile pictures or avatars instead of video during Microsoft Teams meetings
• ・User Impact : Users are intermittently seeing only profile pictures or avatars instead of video during Microsoft Teams meetings.
• ・More info : Users may be able to disable and then re-enable their video in the meeting for temporary relief from this problem.
• ・Current status : We estimate that the fix will completely deploy by Tuesday, October 12, 2021.
• We’ll continue monitoring the deployment process to ensure that the deployment stays on track and completes as expected.
• ・Scope of Impact : This issue may intermittently impact a subset of your users and our telemetry indicates that only a small number of organizations may be impacted by this issue.
• ・Root cause : A recent update to resolve an unrelated issue has resulted in a configuration issue on a component that facilitates some Microsoft Teams meeting video tasks, resulting in impact.
• ・Next update by : Saturday, October 9, 2021, 2:00 AM (10/8/2021, 5:00 PM UTC)

September 28, 2021 1:16 AM – Service restored

• ・Title : Some users intermittently see only profile pictures or avatars instead of video during Microsoft Teams meetings
• ・User Impact : Users are intermittently seeing only profile pictures or avatars instead of video during Microsoft Teams meetings.
• ・More info : Users may be able to disable and then re-enable their video in the meeting for temporary relief from this problem.
• ・Current status : Our fix has been validated in our test environment and committed for safe deployment, a process that is expected to take several weeks to complete.
• We’re unable to provide an accurate estimation for completing the safe deployment of the fix at this juncture; however, we’re monitoring this process to ensure that the deployment stays on track and will provide an updated estimate of the fix completion when available.
• ・Scope of Impact : This issue may intermittently impact a subset of your users and our telemetry indicates that only a small number of organizations may be impacted by this issue.
• ・Root cause : A recent update to resolve an unrelated issue has resulted in a configuration issue on a component that facilitates some Microsoft Teams meeting video tasks, resulting in impact.
• ・Next update by : Tuesday, October 5, 2021, 2:00 AM (10/4/2021, 5:00 PM UTC)

September 24, 2021 2:57 AM – Service restored

• ・Title : Some users intermittently see only profile pictures or avatars instead of video during Microsoft Teams meetings
• ・User Impact : Users are intermittently seeing only profile pictures or avatars instead of video during Microsoft Teams meetings.
• ・More info : Users may be able to disable and then re-enable their video in the meeting for temporary relief from this problem.
• ・Current status : We’ve determined that a recent update to resolve an unrelated issue has resulted in a configuration issue on a component that facilitates some Microsoft Teams meeting video tasks, resulting in impact.
• We’ve developed a fix for this issue which is currently being validated in a test environment. We expect that the validation and safe rollout process for this fix will take several weeks. We’ll provide a better estimate to deployment to your environment at our next scheduled update.
• ・Scope of Impact : This issue may intermittently impact a subset of your users and our telemetry indicates that only a small number of organizations may be impacted by this issue.
• ・Root cause : A recent update to resolve an unrelated issue has resulted in a configuration issue on a component that facilitates some Microsoft Teams meeting video tasks, resulting in impact.
• ・Next update by : Tuesday, September 28, 2021, 2:00 AM (9/27/2021, 5:00 PM UTC)

関連リンク

• ・Microsoft Teams｜リモート ワークのためのコラボレーション ツール：https://www.microsoft.com/ja-jp/microsoft-365/microsoft-teams/group-chat-software
• ・日本マイクロソフト – Official Home Page：https://www.microsoft.com/ja-jp

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