Microsoft Teams

【トラブルシューティング】認証済みプロキシ サーバー経由で、Microsft Teams デスクトップ クライアントにユーザーがアクセスできない SI(サービス インシデント)が発生中【TM394877】

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(TM394877)にて、認証済みプロキシ サーバー経由で Microsft Teams デスクトップ クライアントにユーザーがアクセスできないアドバイザリが発生しています。

Microsoft が提供する Microsoft 365 のサービス正常性(TM394877)にて、認証済みプロキシ サーバー経由で Microsft Teams デスクトップ クライアントにユーザーがアクセスできないアドバイザリが発生しています。

本事象が発生しているユーザーでは、Microsft Teams ブラウザー版からサインインを行うことで回避が可能となっていました。

なお、認証済みプロキシ サーバー経由でサインインしないユーザーにも影響がない問題になります。

現在は、修復プログラムの展開が正常に完了したことを確認しており、影響を受けた一部のユーザーから問題が解決したとの報告を受けているとのことです。

この問題は、最近のアップデートにコード リグレッションが含まれており、その影響により発生している問題になります。


created by Rinker
¥1,958 (2022/08/11 15:06:48時点 Amazon調べ-詳細)




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目次

Users can’t access the Microsoft Teams desktop app via authenticated proxy servers – TM394877

サービス:Microsoft Teams

状態:Service restored

ユーザーへの影響:Users are unable to sign in to the Microsoft Teams desktop app via authenticated proxy servers.

Microsoft 365 のサービス正常性(TM394877)にて、認証済みプロキシ サーバー経由で Microsft Teams デスクトップ クライアントにユーザーがアクセスできないアドバイザリが発生しています。

本事象が発生しているユーザーでは、Microsft Teams ブラウザー版からサインインを行うことで回避が可能となっていました。

なお、認証済みプロキシ サーバー経由でサインインしないユーザーにも影響がない問題になります。

現在は、修復プログラムの展開が正常に完了したことを確認しており、影響を受けた一部のユーザーから問題が解決したとの報告を受けているとのことです。

この問題は、最近のアップデートにコード リグレッションが含まれており、その影響により発生している問題になります。

July 7, 2022 1:14 AM

  • ・Title : Users can’t access the Microsoft Teams desktop app via authenticated proxy servers
  • ・User Impact : Users were unable to sign in to the Microsoft Teams desktop app via authenticated proxy servers.
  • ・More info : While we were focused on remediation, users could have accessed Microsoft Teams through the web client.
  • Additionally, users who didn’t sign in via authenticated proxy servers were unaffected.
  • ・Final status : We’ve confirmed that the deployment of our fix has successfully completed, and we’ve received reports from some affected users that this has resolved the issue.
  • ・Scope of impact : Any user attempting to sign in to the Microsoft Teams desktop app using an authenticated proxy server was impacted.
  • ・Start time : Friday, May 27, 2022, 5:56 AM (5/26/2022, 8:56 PM UTC)
  • ・End time : Wednesday, July 6, 2022, 7:43 AM (7/5/2022, 10:43 PM UTC)
  • ・Root cause : A recent service update contained a code regression which was resulting in impact.
  • ・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.

June 30, 2022 2:36 AM

  • ・Title : Users can’t access the Microsoft Teams desktop app via authenticated proxy servers
  • ・User Impact : Users are unable to sign in to the Microsoft Teams desktop app via authenticated proxy servers.
  • ・More info : While we’re focused on remediation, users can access Microsoft Teams through the web client.
  • Additionally, users who don’t sign in via authenticated proxy servers (such as when they work from home) are unaffected.
  • ・Current status : We’ve observed via service telemetry that the deployment of our fix currently stands at 25 percent saturation.
  • We’re continuing to monitor its progress and expect that users may see remediation during this process as this fix reaches their environment.
  • ・Scope of impact : Any user attempting to sign in to the Microsoft Teams desktop app using an authenticated proxy server is impacted.
  • ・Start time : Friday, June 10, 2022, 9:00 PM (12:00 PM UTC)
  • ・Estimated time to resolve : We expect this issue to be completely resolved for all affected users by Wednesday, July 6, 2022, as the fix is safely implemented through our change management process.
  • ・Root cause : A recent service update contains a code regression, resulting in impact.
  • ・Next update by : Thursday, July 7, 2022, 3:00 AM (7/6/2022, 6:00 PM UTC)

June 29, 2022 1:10 AM

  • ・Title : Users can’t access the Microsoft Teams desktop app via authenticated proxy servers
  • ・User Impact : Users are unable to sign in to the Microsoft Teams desktop app via authenticated proxy servers.
  • ・More info : While we’re focused on remediation, users can access Microsoft Teams through the web client.
  • Additionally, users who don’t sign in via authenticated proxy servers (such as when they work from home) are unaffected.
  • ・Current status : We’ve successfully completed validating the fix and have begun its deployment, which according to service telemetry, currently stands at 10 percent saturation.
  • We’re continuing to monitor the deployment and users may see remediation during this process as this fix reaches their environment.
  • ・Scope of impact : Any user attempting to sign in to the Microsoft Teams desktop app using an authenticated proxy server is impacted.
  • ・Start time : Friday, June 10, 2022, 9:00 PM (12:00 PM UTC)
  • ・Root cause : A recent service update contains a code regression, resulting in impact.
  • ・Next update by : Thursday, June 30, 2022, 3:00 AM (6/29/2022, 6:00 PM UTC)

June 28, 2022 2:25 AM

  • ・Title : Users can’t access the Microsoft Teams desktop app via authenticated proxy servers
  • ・User Impact : Users are unable to sign in to the Microsoft Teams desktop app via authenticated proxy servers.
  • ・More info : While we’re focused on remediation, users can access Microsoft Teams through the web client.
  • Additionally, users who don’t sign in via authenticated proxy servers (such as when they work from home) are unaffected.
  • ・Current status : Our review of recent changes has confirmed that a recent service update contains a code regression, resulting in impact.
  • We’ve developed and validated a fix which is currently deploying to all impacted infrastructure.
  • We expect to have a remediation timeline by the next scheduled update.
  • ・Scope of impact : Any user attempting to sign in to the Microsoft Teams desktop app using an authenticated proxy server is impacted.
  • ・Start time : Friday, June 10, 2022, 9:00 PM (12:00 PM UTC)
  • ・Root cause : A recent service update contains a code regression, resulting in impact.
  • ・Next update by: Thursday, June 30, 2022, 3:00 AM (6/29/2022, 6:00 PM UTC)

June 25, 2022 1:39 AM

  • ・Title : Users can’t access the Microsoft Teams desktop app via authenticated proxy servers
  • ・User Impact : Users are unable to sign in to the Microsoft Teams desktop app via authenticated proxy servers.
  • ・More info : While we’re focused on remediation, users can access Microsoft Teams through the web client.
  • Additionally, users who don’t sign in via authenticated proxy servers (such as when they work from home) are unaffected.
  • ・Current status : We’ve compared previous build versions and suspect that there is an issue with build 1.5.00.12969.
  • We’re doing an extensive assessment of this potential offending build and we’re reviewing newly gathered network traces to isolate the source of impact.
  • ・Scope of impact : Any user attempting to sign in to the Microsoft Teams desktop app using an authenticated proxy server is impacted.
  • ・Next update by : Tuesday, June 28, 2022, 3:00 AM (6/27/2022, 6:00 PM UTC)

June 24, 2022 6:57 PM

  • ・Title : Users can’t access the Microsoft Teams desktop app via authenticated proxy servers
  • ・User Impact : Users are unable to sign in to the Microsoft Teams desktop app via authenticated proxy servers.
  • ・More info : While we’re focused on remediation, users can access Microsoft Teams through the web client.
  • Additionally, users who don’t sign in via authenticated proxy servers (such as when they work from home) are unaffected.
  • ・Current status : Our review of build versions is taking longer than expected to complete.
  • We suspect that there is an issue with build 1.5.00.12969, and we’re comparing with previous build versions confirm this as the root cause, before developing a plan for remediation.
  • ・Scope of impact : Any user attempting to sign in to the Microsoft Teams desktop app using an authenticated proxy server is impacted.
  • ・Next update by : Saturday, June 25, 2022, 2:00 AM (6/24/2022, 5:00 PM UTC)

June 24, 2022 4:51 PM

  • ・Title : Users can’t access the Microsoft Teams desktop app via authenticated proxy servers
  • ・User Impact : Users are unable to sign in to the Microsoft Teams desktop app via authenticated proxy servers.
  • ・More info : While we’re focused on remediation, users can access Microsoft Teams through the web client.
  • Additionally, users who don’t sign in via authenticated proxy servers (such as when they work from home) are unaffected.
  • ・Current status : We’re continuing our review into the deployment, to isolate the source of the root cause of impact.
  • ・Scope of impact : Any user attempting to sign in to the Microsoft Teams desktop app using an authenticated proxy server is impacted.
  • ・Next update by : Friday, June 24, 2022, 7:00 PM (10:00 AM UTC)

June 24, 2022 3:33 PM

  • ・Title : Users can’t access the Microsoft Teams desktop app via authenticated proxy servers
  • ・User Impact : Users are unable to sign in to the Microsoft Teams desktop app via authenticated proxy servers.
  • ・More info : While we’re focused on remediation, users can access Microsoft Teams through the web client.
  • Additionally, users who don’t sign in via authenticated proxy servers (such as when they work from home) are unaffected.
  • ・Current status : Our analysis thus far of the provided network trace logs suggests the impact may be occurring because of a deployment.
  • We’re reviewing the deployment to determine if it’s the source of the issue
  • ・Scope of impact : Any user attempting to sign in to the Microsoft Teams desktop app using an authenticated proxy server is impacted.
  • ・Next update by : Friday, June 24, 2022, 5:00 PM (8:00 AM UTC)

June 24, 2022 3:05 PM

  • ・Title : Some users can’t access the Microsoft Teams desktop app
  • ・User Impact : Users are unable to sign in to the Microsoft Teams desktop app.
  • ・More info : While we’re focused on remediation, users may be able to access Microsoft Teams through the web client.
  • ・Current status : We’ve received the requested network trace logs from some affected users, so we’ve resumed our investigation of the impact associated with TM391711.
  • Scope of impact : Your organization is affected by this event, and some users attempting to sign in to the Microsoft Teams desktop app are impacted.

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