Microsoft Teams

【トラブルシューティング】WebRTC クライアントとデスクトップ クライアント間で通話が行えなくなる SI(サービス インシデント)が発生中【TM338380】【復旧済み】

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Microsoft Teams
Microsoft Teams

Microsoft が提供する Microsoft 365 のサービス正常性(TM338380)にて、Microsoft Teams で特に WebRTC クライアントとデスクトップ クライアント間で通話が行われたときに断続的に通話が行えなくなる SI(サービス インシデント)が発生しています。

※ WebRTC を活用するクライアント例:仮想マシン、Azure Virtual Desktop および Web アプリケーション

現在は修正プログラムの展開が行われたことを確認し、影響が改善されていることを確認しています。

今後は、開発およびテスト サイクルにおいて同様の問題をより適切に特定するためにアップデート手順を見直す予定とのことです。

この問題は、WebRTC とデスクトップ クライアント間の通話の流れを最適化することを目的化した最近のアップデート内にコード リグレッションが含まれていたためによる影響であるとのことです。

この問題は、WebRTC クライアントとデスクトップ クライアント間で行われるすべてのユーザーの通話が影響を受ける可能性があります。


created by Rinker
¥1,958 (2022/07/06 09:58:35時点 Amazon調べ-詳細)




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Users are experiencing intermittent call failures in Microsoft Teams – TM338380

サービス:Microsoft Teams

状態:Service degradation

ユーザーへの影響:Users are experiencing intermittent call failures in Microsoft Teams.

Microsoft 365 のサービス正常性(TM338380)にて、Microsoft Teams で特に WebRTC クライアントとデスクトップ クライアント間で通話が行われたときに断続的に通話が行えなくなる SI(サービス インシデント)が発生しています。

※ WebRTC を活用するクライアント例:仮想マシン、Azure Virtual Desktop および Web アプリケーション

現在は修正プログラムの展開が行われたことを確認し、影響が改善されていることを確認しています。

今後は、開発およびテスト サイクルにおいて同様の問題をより適切に特定するためにアップデート手順を見直す予定とのことです。

この問題は、WebRTC とデスクトップ クライアント間の通話の流れを最適化することを目的化した最近のアップデート内にコード リグレッションが含まれていたためによる影響であるとのことです。

この問題は、WebRTC クライアントとデスクトップ クライアント間で行われるすべてのユーザーの通話が影響を受ける可能性があります。

March 8, 2022 10:09 PM

  • ・Title : Users were experiencing intermittent call failures in Microsoft Teams
  • ・User Impact : Users were experiencing intermittent call failures in Microsoft Teams.
  • ・More info : Impact specifically occurred when calls were made between WebRTC and the desktop clients.
  • Examples of clients that leverage WebRTC included virtual machines, Azure Virtual Desktop, and the web app.
  • ・Final status : We’ve confirmed that the deployment fix has been successful, we’ve confirmed via telemetry that impact has been remediated.
  • ・Scope of impact : Any user making calls between a WebRTC client and the desktop client may have been impacted.
  • ・Start time : Monday, January 17, 2022, 5:00 PM (8:00 AM UTC)
  • ・End time : Tuesday, March 8, 2022, 9:16 PM (12:16 PM UTC)
  • ・Root cause : A recent update intended to optimize the flow of call data between WebRTC and desktop clients contained a regression.
  • ・Next steps : – We’re reviewing our update procedures to better identify similar issues during our development and testing cycles.
  • This is the final update for the event.

March 8, 2022 7:09 PM

  • ・Title : Users are experiencing intermittent call failures in Microsoft Teams
  • ・User Impact : Users are experiencing intermittent call failures in Microsoft Teams.
  • ・More info : Impact specifically occurs when calls are made between WebRTC and the desktop clients.
  • Examples of clients that leverage WebRTC include virtual machines, Azure Virtual Desktop, and the web app.
  • ・Current status : The deployment of fix is taking longer that expected, as we performed additional verification steps.
  • We expect the fix to complete deployment by our next scheduled update.
  • ・Scope of impact : Any user making calls made between a WebRTC client and the desktop client may be impacted.
  • ・Start time : Monday, January 17, 2022, 5:00 PM (8:00 AM UTC)
  • ・Root cause : A recent update intended to optimize the flow of call data between WebRTC and desktop clients contained a regression, resulting in impact.
  • ・Next update by : Tuesday, March 8, 2022, 11:30 PM (2:30 PM UTC)

March 8, 2022 12:05 AM

  • ・Title : Users are experiencing intermittent call failures in Microsoft Teams
  • ・User Impact : Users are experiencing intermittent call failures in Microsoft Teams.
  • ・More info : Impact specifically occurs when calls are made between WebRTC and the desktop clients.
  • Examples of clients that leverage WebRTC include virtual machines, Azure Virtual Desktop, and the web app.
  • ・Current status : We’ve successfully validated the fix and initiated the deployment to the affected infrastructure.
  • We anticipate the deployment to completely saturate in the impacted environment by our next scheduled update.
  • ・Scope of impact : Any user making calls made between a WebRTC client and the desktop client may be impacted.
  • ・Start time : Monday, January 17, 2022, 5:00 PM (8:00 AM UTC)
  • ・Root cause : A recent update intended to optimize the flow of call data between WebRTC and desktop clients contained a regression, resulting in impact.
  • ・Next update by : Tuesday, March 8, 2022, 7:30 PM (10:30 AM UTC)

March 7, 2022 8:51 PM

  • ・Title : Users are experiencing intermittent call failures in Microsoft Teams
  • ・User Impact : Users are experiencing intermittent call failures in Microsoft Teams.
  • ・More info : Impact specifically occurs when calls are made between WebRTC and the desktop clients.
  • Examples of clients that leverage WebRTC include virtual machines, Azure Virtual Desktop, and the web app.
  • ・Current status : Our internal testing process is taking longer than expected.
  • We’re continuing to test the fix and expect to begin the deployment procedure by our next scheduled update.
  • In parallel, we’re exploring potential steps to expedite this process.
  • ・Scope of impact : Any user making calls made between a WebRTC client and the desktop client may be impacted.
  • ・Start time : Monday, January 17, 2022, 5:00 PM (8:00 AM UTC)
  • ・Root cause : A recent update intended to optimize the flow of call data between WebRTC and desktop clients contained a regression, resulting in impact.
  • ・Next update by : Tuesday, March 8, 2022, 1:30 AM (3/7/2022, 4:30 PM UTC)

March 5, 2022 2:23 AM

  • ・Title : Users are experiencing intermittent call failures in Microsoft Teams
  • ・User Impact : Users are experiencing intermittent call failures in Microsoft Teams
  • ・More info : Impact specifically occurs when calls are made between WebRTC and the desktop clients.
  • Examples of clients that leverage WebRTC include virtual machines, Azure Virtual Desktop, and the web app.
  • ・Current status : We’re in the process of validating our fix to ensure its efficacy and anticipate that it will begin deployment by Monday, March 7, 2022.
  • ・Scope of impact : Any user making calls made between a WebRTC client and the desktop client may be impacted.
  • ・Start time : Monday, January 17, 2022, 5:00 PM (8:00 AM UTC)
  • ・Root cause : A recent update intended to optimize the flow of call data between WebRTC and desktop clients contained a regression, resulting in impact.
  • ・Next update by : Monday, March 7, 2022, 9:00 PM (12:00 PM UTC)

March 4, 2022 5:39 AM

  • ・Title : Users are experiencing intermittent call failures in Microsoft Teams
  • ・User Impact : Users are experiencing intermittent call failures in Microsoft Teams
  • ・More info : Impact specifically occurs when calls are made between WebRTC and the desktop clients.
  • Examples of clients that leverage WebRTC include virtual machines, Azure Virtual Desktop, and the web app.
  • ・Current status : Our investigation has determined that a recent update intended to optimize the flow of call data between WebRTC and desktop clients contained a regression, resulting in impact.
  • We’re developing a targeted fix to repair this regression and resolve the impact.
  • When development is complete, we’ll validate and prepare the fix for deployment to the affected environment, at which time we’ll provide a timeline for remediation.
  • ・Scope of impact : Any user making calls made between a WebRTC client and the desktop client may be impacted.
  • ・Start time : Monday, January 17, 2022, 5:00 PM (8:00 AM UTC)
  • ・Root cause : A recent update intended to optimize the flow of call data between WebRTC and desktop clients contained a regression, resulting in impact.
  • ・Next update by : Saturday, March 5, 2022, 2:30 AM (3/4/2022, 5:30 PM UTC)

March 4, 2022 4:52 AM

  • ・Title : Users are experiencing intermittent call failures in Microsoft Teams
  • ・User Impact : Users are experiencing intermittent call failures in Microsoft Teams.
  • ・More info : Impact specifically occurs when calls are made between WebRTC and the desktop clients.
  • Examples of clients that leverage WebRTC include virtual machines, Azure Virtual Desktop, and the web app.
  • ・Current status : We’re continuing our examination of our internal reproduction of the issue in order to determine the root cause of impact and identify a strategy for remediation.
  • ・Scope of impact : Any user making calls made between a WebRTC client and the desktop client may be impacted.
  • ・Next update by : Friday, March 4, 2022, 7:00 AM (3/3/2022, 10:00 PM UTC)

March 4, 2022 3:53 AM

  • ・Title : Users are experiencing intermittent call failures in Microsoft Teams
  • ・User Impact : Users are experiencing intermittent call failures in Microsoft Teams.
  • ・More info : Impact specifically occurs when calls are made between WebRTC and the desktop clients.
  • Examples of clients that leverage WebRTC include virtual machines, Azure Virtual Desktop, and the web app.
  • ・Current status : We’ve reproduced the issue internally and we’re running diagnostics to assess the impact and determine our next troubleshooting steps.
  • ・Scope of impact : Your organization is affected by this event, and any user or call made between a WebRTC client and the desktop client are impacted.
  • ・Next update by : Friday, March 4, 2022, 5:00 AM (3/3/2022, 8:00 PM UTC)

March 4, 2022 3:20 AM

  • ・Title : Users are experiencing intermittent call failures in Microsoft Teams
  • ・User Impact : Users are experiencing intermittent call failures in Microsoft Teams.
  • ・More info : Impact specifically occurs when calls are made between WebRTC and the desktop clients.
  • ・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 : Any user making calls made between a WebRTC client and the desktop client may be impacted.

Microsoft Public Affiliate Program (JP)(マイクロソフトアフィリエイトプログラム)

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