Microsoft Teams

【トラブルシューティング】一部の macOS ユーザーで Microsoft Teams から会議通話に参加している際に断続的に通話が切断されるアドバイザリが発生中【TM424840】

トラブルシューティング
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Microsoft Teams
Microsoft Teams

Microsoft が提供する Microsoft 365 のサービス正常性(TM424840)にて、macOS ユーザーが、Microsoft Teams デスクトップ クライアントから会議に通話に参加しているときに、断続的に通話が切断されるアドバイザリが発生しています。

本事象は、主に macOS ユーザーにて発生していますが、ごく一部の Windows ユーザーでも発生している可能性があります。

なお、Microsoft Teams ブラウザー版または、Microsoft Teams モバイル アプリから会議への参加が行うことで、影響を回避することができます。

現在は、影響を受けるすべての macOS ユーザーの問題を解決するための修正プログラムの展開が完了したことを確認しました。

また、二次的な改善措置として、影響を受ける Windows ユーザー向けの修正プログラムの検証を続けており、2022 年 9 月 26 日(月)に展開が開始される予定となっています。

本事象は、Microsoft Teams デスクトップ クライアントのレンダリングと遠隔測定の処理を改善するための最近のアップデートによって、[参加] ボタンの会議コードの問題によりコマンドとの競合が発生し、最終的にユーザーが会議から切断される事象になります。

この問題は、一部の macOS ユーザーと Windows ユーザーが、Microsoft Teams デスクトップ クライアントから会議に通話に参加しているときに断続的に通話が切断される問題になります。

目次






Some users are intermittently dropped from meetings when using the Microsoft Teams desktop client – TM424840

サービス:Microsoft Teams

状態:Service degradation

ユーザーへの影響:Users are intermittently dropped from meetings when using the Microsoft Teams desktop client.

Users are intermittently dropped from meetings when using the Microsoft Teams desktop client.

Microsoft 365 のサービス正常性(TM424840)にて、macOS ユーザーが、Microsoft Teams デスクトップ クライアントから会議に通話に参加しているときに、断続的に通話が切断されるアドバイザリが発生しています。

本事象は、主に macOS ユーザーにて発生していますが、ごく一部の Windows ユーザーでも発生している可能性があります。

なお、Microsoft Teams ブラウザー版または、Microsoft Teams モバイル アプリから会議への参加が行うことで、影響を回避することができます。

現在は、影響を受けるすべての macOS ユーザーの問題を解決するための修正プログラムの展開が完了したことを確認しました。

また、二次的な改善措置として、影響を受ける Windows ユーザー向けの修正プログラムの検証を続けており、2022 年 9 月 26 日(月)に展開が開始される予定となっています。

本事象は、Microsoft Teams デスクトップ クライアントのレンダリングと遠隔測定の処理を改善するための最近のアップデートによって、[参加] ボタンの会議コードの問題によりコマンドとの競合が発生し、最終的にユーザーが会議から切断される事象になります。

この問題は、一部の macOS ユーザーと Windows ユーザーが、Microsoft Teams デスクトップ クライアントから会議に通話に参加しているときに断続的に通話が切断される問題になります。

September 17, 2022 10:40 AM

  • ・Title : Some users are intermittently dropped from meetings when using the Microsoft Teams desktop client
  • ・User Impact : Users are intermittently dropped from meetings when using the Microsoft Teams desktop client.
  • ・More info : This issue is primarily affecting MacOS users; however, a small percentage of Windows users may also see this problem.
  • Users who can join the meetings through the Microsoft Teams web or mobile apps can do so to avoid impact.
  • ・Current status : We’ve confirmed that deployment has completed to resolve the issue for all affected MacOS users.
  • As a secondary remediation action, we’re continuing to validate a fix for affected Windows users which is expected to deploy on Monday, September 26, 2022.
  • We’ll provide an estimated time for the completion of this secondary deployment should it become available prior to the next scheduled update.
  • ・Scope of impact : A subset of MacOS users and potentially some Windows users are intermittently dropped from Microsoft Teams meetings when using the desktop client.
  • ・Start time : Friday, August 19, 2022, 6:44 PM (9:44 AM UTC)
  • ・Root cause : A recent update to improve client rendering and telemetry handling introduced a Join button meeting code issue, resulting in conflicting commands and ultimately dropping users from meetings.
  • ・Next update by: Tuesday, September 27, 2022, 2:00 AM (9/26/2022, 5:00 PM UTC)

September 14, 2022 4:35 AM

  • ・Title : Some users are intermittently dropped from meetings when using the Microsoft Teams desktop client
  • ・User Impact : Users are intermittently dropped from meetings when using the Microsoft Teams desktop client.
  • ・More info : This issue is primarily affecting MacOS users; however, a small percentage of Windows users may also see this problem.
  • Users who can join the meetings through the Microsoft Teams web or mobile apps can do so to avoid impact.
  • ・Current status : We’ve confirmed that deployment for the vast majority of users has completed, though users that are hosted in US Government Microsoft Teams cloud environments remain affected.
  • We’re continuing to monitor its deployment for complete resolution for all affected Mac OS users while also internally validating our secondary fix that will remediate impact for affected Windows users, which remains on track to begin deployment by Monday, September 26, 2022.
  • ・Scope of impact : A subset of MacOS users and potentially some Windows users are intermittently dropped from Microsoft Teams meetings when using the desktop client.
  • ・Start time : Friday, August 19, 2022, 6:44 PM (9:44 AM UTC)
  • ・Root cause : A recent update to improve client rendering and telemetry handling introduced a Join button meeting code issue, resulting in conflicting commands and ultimately dropping users from meetings.
  • ・Next update by : Saturday, September 17, 2022, 10:00 AM (1:00 AM UTC)

September 13, 2022 3:45 AM

  • ・Title : Some users are intermittently dropped from meetings when using the Microsoft Teams desktop client
  • ・User Impact : Users are intermittently dropped from meetings when using the Microsoft Teams desktop client.
  • ・More info : This issue is primarily affecting MacOS users; however, a small percentage of Windows users may also see this problem.
  • Users who can join the meetings through the Microsoft Teams web or mobile apps can do so to avoid impact.
  • ・Current status : We’ve completed our rollout of the fix for the majority of Mac OS users in affected environments, although less than one percent may continue to see impact where the fix has not reached yet.
  • In parallel, we’re continuing development on our fix for affected Windows users, which we currently anticipate will be ready for deployment by Monday, September 26, 2022.
  • ・Scope of impact : A subset of MacOS users and potentially some Windows users are intermittently dropped from Microsoft Teams meetings when using the desktop client.
  • ・Start time : Friday, August 12, 2022, 12:11 AM (8/11/2022, 3:11 PM UTC)
  • ・Root cause : A recent update to improve client rendering and telemetry handling introduced a Join button meeting code issue, resulting in conflicting commands and ultimately dropping users from meetings.
  • ・Next update by : Wednesday, September 14, 2022, 5:00 AM (9/13/2022, 8:00 PM UTC)

September 10, 2022 8:34 AM

  • ・Title : Some users are intermittently dropped from meetings when using the Microsoft Teams desktop client
  • ・User Impact : Users are intermittently dropped from meetings when using the Microsoft Teams desktop client.
  • ・More info : This issue is primarily affecting MacOS users; however, a small percentage of Windows users may also see this problem.
  • Users who can join the meetings through the Microsoft Teams web or mobile apps can do so to avoid impact.
  • ・Current status : Our fix has completed rollout to 50 percent of affected MacOS users.
  • We’re monitoring the reduction of errors to confirm downward trends; however we’re pausing the rollout of the fix as we want to ensure a significant improvement is seen in the volume data flow through Monday, September 12, 2022.
  • Pending our review of the data, we’ll determine whether we’ll begin rollout of the fix to 75 percent of affected users based on our assessment.
  • ・Scope of impact : A subset of MacOS users and potentially some Windows users are intermittently dropped from Microsoft Teams meetings when using the desktop client.
  • ・Start time : Friday, August 12, 2022, 12:11 AM (8/11/2022, 3:11 PM UTC)
  • ・Root cause : A recent update to improve client rendering and telemetry handling introduced a Join button meeting code issue, resulting in conflicting commands and ultimately dropping users from meetings.
  • ・Next update by : Tuesday, September 13, 2022, 5:00 AM (9/12/2022, 8:00 PM UTC)

September 9, 2022 2:01 AM

  • ・Title : Some users are intermittently dropped from meetings when using the Microsoft Teams desktop client
  • ・User Impact : Users are intermittently dropped from meetings when using the Microsoft Teams desktop client.
  • ・More info : This issue is primarily affecting MacOS users; however, a small percentage of Windows users may also see this problem.
  • Users who can join the meetings through the Microsoft Teams web or mobile apps can do so to avoid impact.
  • ・Current status : We’ve successfully validated the fix’s efficacy, initiated the deployment process, and anticipate that the majority of users should be remediated by our next scheduled update.
  • We’ll provide more information regarding the estimated time to resolution via the next update.
  • ・Scope of impact : A subset of MacOS users and potentially some Windows users are intermittently dropped from Microsoft Teams meetings when using the desktop client.
  • ・Start time : Friday, August 12, 2022, 12:11 AM (8/11/2022, 3:11 PM UTC)
  • ・Root cause : A recent update to improve client rendering and telemetry handling introduced a Join button meeting code issue, resulting in conflicting commands and ultimately dropping users from meetings.
  • ・Next update by : Saturday, September 10, 2022, 10:30 AM (1:30 AM UTC)

September 8, 2022 11:23 AM

  • ・Title : Some users are intermittently dropped from meetings when using the Microsoft Teams desktop client
  • ・User Impact : Users are intermittently dropped from meetings when using the Microsoft Teams desktop client.
  • ・More info : This issue is primarily affecting MacOS users; however, a small percentage of Windows users may also see this problem.
  • Users who can join the meetings through the Microsoft Teams web or mobile apps can do so to avoid impact.
  • ・Current status : We’ve identified that additional validation is required to ensure the fix successfully resolves the underlying issue.
  • We anticipate the validation process will complete and the fix will be ready for deployment during our next communications update.
  • ・Scope of impact : A subset of MacOS users and potentially some Windows users are intermittently dropped from Microsoft Teams meetings when using the desktop client.
  • ・Start time : Friday, August 12, 2022, 12:11 AM (8/11/2022, 3:11 PM UTC)
  • ・Root cause : A recent update to improve client rendering and telemetry handling introduced a Join button meeting code issue, resulting in conflicting commands and ultimately dropping users from meetings.
  • ・Next update by : Friday, September 9, 2022, 2:00 AM (9/8/2022, 5:00 PM UTC)

September 8, 2022 7:29 AM

  • ・Title : Some users are intermittently dropped from meetings when using the Microsoft Teams desktop client
  • ・User Impact : Users are intermittently dropped from meetings when using the Microsoft Teams desktop client.
  • ・More info : This issue is primarily affecting MacOS users; however, a small percentage of Windows users may also see this problem.
  • Users who can join the meetings through the Microsoft Teams web or mobile apps can do so to avoid impact.
  • ・Current status : Our process to validate the fix for efficacy is complete, and we’re now packaging the fix for deployment to the affected service environment.
  • We anticipate that deployment will begin by our next scheduled update, at which time we’ll provide a timeline for full deployment and remediation.
  • ・Scope of impact : A subset of MacOS users and potentially some Windows users are intermittently dropped from Microsoft Teams meetings when using the desktop client.
  • ・Start time : Friday, August 12, 2022, 12:11 AM (8/11/2022, 3:11 PM UTC)
  • ・Root cause : A recent update to improve client rendering and telemetry handling introduced a Join button meeting code issue, resulting in conflicting commands and ultimately dropping users from meetings.
  • ・Next update by : Thursday, September 8, 2022, 1:00 PM (4:00 AM UTC)

September 8, 2022 2:35 AM

  • ・Title : Some users are intermittently dropped from meetings when using the Microsoft Teams desktop client
  • ・User Impact : Users are intermittently dropped from meetings when using the Microsoft Teams desktop client.
  • ・More info : This issue is primarily affecting MacOS users; however, a small percentage of Windows users may also see this problem.
  • Users who can join the meetings through the Microsoft Teams web or mobile apps can do so to avoid impact.
  • ・Current status : We’ve developed and are in the process of validating a fix to resolve this problem.
  • We expect that we’ll have a more accurate estimation for the timeline of the fix deployment by our next update.
  • ・Scope of impact : A subset of MacOS users and potentially some Windows users are intermittently dropped from Microsoft Teams meetings when using the desktop client.
  • ・Start time : Friday, August 12, 2022, 12:11 AM (8/11/2022, 3:11 PM UTC)
  • ・Root cause : A recent update to improve client rendering and telemetry handling introduced a Join button meeting code issue, resulting in conflicting commands and ultimately dropping users from meetings.
  • ・Next update by : Thursday, September 8, 2022, 9:00 AM (12:00 AM UTC)

September 3, 2022 5:28 AM

  • ・Title : Some MacOS users drop from Microsoft Teams desktop meetings intermittently
  • ・User Impact : MacOS users will experience intermittent call drops while attending Microsoft Teams desktop meetings.
  • ・More info : Users who can join the meetings through the Microsoft Teams web or mobile apps can do so to avoid impact.
  • ・Current status : We’re continuing to review available diagnostic data, such as client logs, to isolate the source of impact and identify troubleshooting actions.
  • ・Scope of impact : This event affects a subset of MacOS users who intermittently drop from Microsoft Teams desktop meetings.
  • ・Next update by : Wednesday, September 7, 2022, 6:00 AM (9/6/2022, 9:00 PM UTC)

September 3, 2022 4:31 AM

  • ・Title : Some MacOS users drop from Microsoft Teams desktop meetings intermittently
  • ・User Impact : Users will experience intermittent call drops while attending Microsoft Teams desktop meetings.
  • ・More info : Users who can join the meetings through the Microsoft Teams web app can do so to avoid impact.
  • ・Current status : We’re reviewing available diagnostic data, such as client logs, to isolate the source of impact and identify troubleshooting actions.
  • ・Scope of impact : Your organization is impacted by this event, and a subset of MacOS users intermittently drop from Microsoft Teams desktop meetings.
  • ・Next update by : Saturday, September 3, 2022, 5:30 AM (9/2/2022, 8:30 PM UTC)

September 3, 2022 4:02 AM

  • ・Title : Some MacOS users drop from Microsoft Teams desktop meetings intermittently
  • ・User Impact : Users will experience intermittent call drops while attending Microsoft Teams desktop meetings.
  • ・Current status : We’re investigating a potential issue and checking for impact to your organization. We’ll provide an update within 30 minutes.
  • ・Scope of impact : Your organization is impacted by this event, and a subset of MacOS users intermittently drop from Microsoft Teams desktop meetings.

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