Microsoft 365 のサービス正常性（TM467455）にて、Teams Only モードの Microsoft Teams が、Skype for Business ハイブリッド モードの ユーザーに掛けた通話が 30 秒後に切断される SI（サービス インシデント）が発生しています。

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Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds – TM467455

サービス：Microsoft Teams

状態：Service degradation

ユーザーへの影響：Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.

Microsoft 365 のサービス正常性（TM467455）にて、Teams Only モードの Microsoft Teams が、Skype for Business ハイブリッド モードの ユーザーに掛けた通話が 30 秒後に切断される SI（サービス インシデント）が発生しています。

この問題は、Skype for Business と Microsoft Teams の相互運用性を向上させることを目的にした最近のアップデート内にコードのエラーが含まれていた結果、発生している問題になります。

現在は、修正プログラムの展開後にこの問題が確実に修正されるようにするために修正プログラムのテストと検証プロセスを完了させるための取り組みを継続して実施しています。

なお、次回の定期更新までには、修正プログラムの検証が完了し、展開が開始される予定です。

現在も、この問題の要因が最近のアップデートが影響を及ぼしている以上のことの確認が行えておらず、ネットワーク トレース ログの分析を行い、Microsoft 社内で事象の再現を試みており、影響の根本的な原因の特定を行っています。

この問題は、影響を受けているインフラストラクチャーを使用している一部のユーザーと “Teams Only モード” のユーザーが所属する組織のドメイン内の Skype for Business ハイブリッド モードのユーザーへ通話を発信する場合に影響を受ける問題になります。

December 27, 2022 8:19 PM

• ・Title : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds
• ・User Impact : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.
• ・Current status : Our efforts to complete the testing and validation process for our fix are ongoing, to ensure that the issue is successfully remediated once deployment to the affected infrastructure is complete.
• We expect validation to be complete, and for deployment to begin, by the time of our next scheduled update..
• ・Scope of impact : Impact is specific to some users who are served through the affected infrastructure and to Teams Only users placing calls to Skype for Business hybrid users within their organization’s domain.
• ・Root cause : A recent service update intended to improve Skype for Business and Microsoft Teams interoperability contains a code error, resulting in impact.
• ・Next update by : Monday, January 9, 2023, 8:30 PM (11:30 AM UTC)

December 13, 2022 7:59 PM

• ・Title : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds
• ・User Impact : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.
• ・More info : Users may also appear incorrectly as ‘Offline’, impact is specific to users and calls placed within your organization’s domain.
• ・Current status : Our efforts to complete the testing and validation process for our fix are ongoing, to ensure that the issue is successfully remediated once deployment to the affected infrastructure is complete.
• The validation checks and extensive period of testing is expected to complete by our next scheduled update.
• ・Scope of impact : Impact is specific to some users who are served through the affected infrastructure and to Teams Only users placing calls to Skype for Business hybrid users within their organization’s domain.
• ・Root cause : A recent service update intended to improve Skype for Business and Microsoft Teams interoperability contains a code error, resulting in impact.
• ・Next update by : Tuesday, December 27, 2022, 8:30 PM (11:30 AM UTC)

December 5, 2022 5:18 PM

• ・Title : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds
• ・User Impact : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.
• ・More info: Users may also appear incorrectly as ‘Offline’, impact is specific to users and calls placed within your organization’s domain.
• ・Current status : Due to the complexity of the issue, our validation checks are continuing to take longer than anticipated.
• We’re proceeding with an extensive period of testing to ensure the fix remediates impact fully as expected.
• ・Scope of impact : Impact is specific to some users who are served through the affected infrastructure and to Teams Only users placing calls to Skype for Business hybrid users within their organization’s domain.
• ・Root cause : A recent service update intended to improve Skype for Business and Microsoft Teams interoperability contains a code error, resulting in impact.
• ・Next update by : Tuesday, December 13, 2022, 8:30 PM (11:30 AM UTC)

December 2, 2022 5:59 PM

• ・Title : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds
• ・User Impact : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.
• ・More info : Users may also appear incorrectly as ‘Offline’, impact is specific to users and calls placed within your organization’s domain.
• ・Current status : Our validation checks for the fix are continuing to run and have delayed the deployment process.
• We’re now anticipating that the validation checks will be complete by Monday, December 5, 2022, at which point we’ll be able to commence the deployment process.
• ・Scope of impact : Impact is specific to some users who are served through the affected infrastructure and to Teams Only users placing calls to Skype for Business hybrid users within their organization’s domain.
• ・Root cause : A recent service update intended to improve Skype for Business and Microsoft Teams interoperability contains a code error, resulting in impact.
• ・Next update by : Monday, December 5, 2022, 8:30 PM (11:30 AM UTC)

November 28, 2022 6:17 PM

• ・Title : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds
• ・User Impact : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.
• ・More info : Users may also appear incorrectly as ‘Offline’, impact is specific to users and calls placed within your organization’s domain.
• ・Current status : Due to the complexity of the issue, our validation of the fix is taking longer than expected.
• We anticipate to have the fix validated and deployed by Friday, December 2, 2022.
• ・Scope of impact : Impact is specific to some users who are served through the affected infrastructure and to Teams Only users placing calls to Skype for Business hybrid users within their organization’s domain.
• ・Root cause : A recent service update intended to improve Skype for Business and Microsoft Teams interoperability contains a code error, resulting in impact.
• ・Next update by : Friday, December 2, 2022, 8:00 PM (11:00 AM UTC)

November 21, 2022 7:30 PM

• ・Title : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds
• ・User Impact : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.
• ・More info : Users may also appear incorrectly as ‘Offline’, impact is specific to users and calls placed within your organization’s domain.
• ・Current status : While we continue our analysis of network trace logs and attempts to reproduce the issue to confirm the root cause, we’ve received feedback from impacted users that impact is no longer occurring.
• We’re preparing to deploy our fix to all affected environments to ensure full remediation, and expect the deployment to be complete by the time of our next scheduled update.
• ・Scope of impact : Impact is specific to some users who are served through the affected infrastructure and to Teams Only users placing calls to Skype for Business hybrid users within their organization’s domain.
• ・Root cause : A recent service update intended to improve Skype for Business and Microsoft Teams interoperability contains a code error, resulting in impact.
• ・Next update by : Monday, November 28, 2022, 8:00 PM (11:00 AM UTC)

November 16, 2022 7:49 PM

• ・Title : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds
• ・User Impact : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.
• ・More info : Users may also appear incorrectly as ‘Offline’, impact is specific to users and calls placed within your organization’s domain.
• ・Current status : Our previous update that a recent change is causing impact has not yet been confirmed.
• We’re analzying network trace logs and attempting to reproduce the issue internally to determine the underlying root cause of impact.
• ・Scope of impact : Impact is specific to some users who are served through the affected infrastructure and to Teams Only users placing calls to Skype for Business hybrid users within their organization’s domain.
• ・Root cause : A recent service update intended to improve Skype for Business and Microsoft Teams interoperability contains a code error, resulting in impact.
• ・Next update by : Monday, November 21, 2022, 8:00 PM (11:00 AM UTC)

November 16, 2022 1:41 AM

• ・Title : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds
• ・User Impact : Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.
• ・More info : Impact is specific to calls placed within your organization’s domain.
• ・Current status : Our investigation has identified that a recent service update intended to improve Skype for Business and Microsoft Teams interoperability contains a code error, resulting in impact.
• We’re in the process of validating a fix and expect to have a remediation timeline by the next scheduled update.
• ・Scope of impact : Your organization is affected and all Teams Only users placing calls to Skype for Business hybrid users are impacted.
• ・Root cause : A recent service update intended to improve Skype for Business and Microsoft Teams interoperability contains a code error, resulting in impact.
• ・Next update by : Wednesday, November 16, 2022, 8:00 PM (11:00 AM UTC)

November 16, 2022 1:17 AM

• ・Title: Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds
• ・User Impact: Teams Only users’ calls placed to Skype for Business hybrid users are dropping after 30 seconds.
• ・More info: Impact is specific to calls placed within your organization’s domain.
• ・Current status: We’re investigating a potential issue and checking for impact to your organization. We’ll provide an update within 30 minutes.

Microsoft Teams とは？

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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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