【トラブルシューティング】iOS 版 Outlook モバイル アプリケーションでプッシュ通知が行われない問題が発生【EX286304】【復旧済み】

Microsoft が提供する Microsoft 365 のサービス正常性（EX286304）にて、iOS 版 Outlook モバイル アプリケーションでユーザーが、E メールのメッセージ受信時にプッシュ通知が行われない問題が発生していたことをを発表しています。

この問題は、iOS 版 Outlook モバイル アプリケーションのアップデートに含まれていたコードの問題によりプッシュ通知の失敗することがあったことが判明しています。

なお、この問題は最新の iOS 版 Outlook モバイル アプリケーションがリリースされ、アップデートすることで解決したことを確認しているとのことです。

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Users of the iOS Outlook mobile app aren’t getting push notifications after receiving email messages – EX286304

サービス：Exchange Online

状態：Service restored

ユーザーへの影響：Users of the iOS Outlook mobile app aren’t receiving push notifications after getting email messages.

Microsoft 365 のサービス正常性（EX286304）にて、iOS 版 Outlook モバイル アプリケーションでユーザーが、E メールのメッセージ受信時にプッシュ通知が行われない問題が発生していたことを発表しています。

この問題は、iOS 版 Outlook モバイル アプリケーションのアップデートに含まれていたコードの問題によりプッシュ通知の失敗することがあったことが判明しています。

なお、この問題は最新の iOS 版 Outlook モバイル アプリケーションがリリースされ、アップデートすることで解決したことを確認しているとのことです。

September 24, 2021 1:22 AM – Service restored

• ・Title : Users of the iOS Outlook mobile app aren’t getting push notifications after receiving email messages
• ・User Impact : Users of the iOS Outlook mobile app aren’t receiving push notifications after getting email messages.
• ・Final status : The iOS Outlook mobile app has been approved by Apple, and released to all users. Our telemetry has confirmed that this update has resolved the issue.
• ・Scope of impact : This event may have impact any user that’s leveraging the Outlook mobile app on iOS devices.
• ・Start time : Sunday, September 19, 2021, 8:00 AM (9/18/2021, 11:00 PM UTC)
• ・End time : Thursday, September 23, 2021, 5:41 PM (8:41 AM UTC)
• ・Root cause : A code issue in a recent iOS Outlook mobile app update was causing push email notifications to fail.
• ・Next steps : – We’re continuing the review of the impacted version to gather additional diagnostic data to isolate and prevent similar notification based issues in our validation and testing cycles.
• This is the final update for the event.

September 23, 2021 1:50 AM – Service restored

• ・Title : Users of the iOS Outlook mobile app aren’t getting push notifications after receiving email messages
• ・User Impact : Users of the iOS Outlook mobile app aren’t receiving push notifications after getting email messages.
• ・Current status : The Outlook mobile iOS update is undergoing the final phases of the App Store expedited review process and upon approval will be automatically available for all users with devices configured to receive automatic updates.
• ・Scope of impact : This event may impact any user that’s leveraging the Outlook mobile app on iOS devices.
• ・Start time : Sunday, September 19, 2021, 8:00 AM (9/18/2021, 11:00 PM UTC)
• ・Root cause : A code issue in a recent iOS Outlook mobile app update is causing push email notifications to fail.
• ・Next update by : Friday, September 24, 2021, 4:30 AM (9/23/2021, 7:30 PM UTC)

September 22, 2021 1:58 AM – Service restored

• ・Title : Users of the iOS Outlook mobile app aren’t getting push notifications after receiving email messages
• ・User Impact : Users of the iOS Outlook mobile app aren’t receiving push notifications after getting email messages.
• ・Current status : The Outlook mobile iOS update continues through the expedited review process after being submitted for the App Store approval.
• Once the fix is approved, the update will be automatically released to users who have automatic updates configured on their devices and will be available for manual update or download to all users.
• ・Scope of impact : This event may impact any user that’s leveraging the Outlook mobile app on iOS devices.
• ・Start time : Sunday, September 19, 2021, 8:00 AM (9/18/2021, 11:00 PM UTC)
• ・Root cause : A code issue in a recent iOS Outlook mobile app update is causing push email notifications to fail.
• ・Next update by : Thursday, September 23, 2021, 4:30 AM (9/22/2021, 7:30 PM UTC)

September 21, 2021 1:34 PM – Service restored

• ・Title : Users of the iOS Outlook mobile app are not getting push notifications after receiving email messages
• ・User Impact : Users of the iOS Outlook mobile app are not receiving push notifications after getting email messages.
• ・Current status : We validated the fix and have submitted it to the App Store for iOS for expedited approval.
• Once approved, the update will be automatically released.
• ・Scope of impact : This event may impact any user that’s leveraging the Outlook mobile app on iOS devices.
• ・Root cause : An unexpected issue with a recent iOS Outlook mobile app update is causing issues with push notifications for email messages.
• ・Next update by : Wednesday, September 22, 2021, 4:00 AM (9/21/2021, 7:00 PM UTC)

September 21, 2021 11:52 AM – Service restored

• ・Title : Users of the iOS Outlook mobile app are not getting push notifications after receiving email messages
• ・User Impact : Users of the iOS Outlook mobile app are not receiving push notifications after getting email messages.
• ・Current status : After further review, we identified this issue to be with a recent iOS Outlook mobile app update.
• We’ve begun building a fix for the issue that once validated will be submitted to the App Store for iOS for expedited approval.
• ・Scope of impact : This event may impact any user that’s leveraging the Outlook mobile app on iOS devices.
• ・Root cause : An unexpected issue with a recent iOS Outlook mobile app update is causing issues with push notifications for email messages.
• ・Next update by: Tuesday, September 21, 2021, 2:00 PM (5:00 AM UTC)

September 21, 2021 8:49 AM – Service restored

• ・Title : Users of the iOS Outlook mobile app are not getting push notifications after receiving email messages
• ・User Impact : Users of the iOS Outlook mobile app are not receiving push notifications after getting email messages.
• ・Current status : We’re continuing to investigate our update history and service telemetry while reproducing the issue internally in order to develop a plan to mitigate impact.
• ・Scope of impact : This event may impact any user that’s leveraging the Outlook mobile app on iOS devices.
• ・Next update by : Tuesday, September 21, 2021, 12:00 PM (3:00 AM UTC)

September 21, 2021 7:34 AM – Service restored

• ・Title : Users of the iOS Outlook mobile app are not getting push notifications after receiving email messages
• ・User Impact : Users of the iOS Outlook mobile app are not receiving push notifications after getting email messages.
• ・Current status : We’re continuing our initial review into update history and service telemetry to confirm the source for the event.
• ・Scope of impact : This event may impact any user that’s leveraging the Outlook mobile app on iOS devices.
• ・Next update by : Tuesday, September 21, 2021, 10:00 AM (1:00 AM UTC)

September 21, 2021 6:20 AM – Service restored

• ・Title : Users of the iOS Outlook mobile app are not getting push notifications after receiving email messages
• ・User Impact : Users of the iOS Outlook mobile app are not receiving push notifications after getting email messages.
• ・Current status : We’ve received reports that users of the iOS Outlook mobile app are not getting push notifications after receiving email messages.
• We’re reviewing update history and service telemetry to determine our next troubleshooting steps.
• ・Scope of impact : This event may impact any user that’s leveraging the Outlook mobile app on iOS devices.
• ・Next update by : Tuesday, September 21, 2021, 8:00 AM (9/20/2021, 11:00 PM UTC)

関連リンク

• ・ビジネス向けメール アプリ – Outlook 無料試用版｜Outlook：https://www.microsoft.com/ja-jp/microsoft-365/outlook/outlook-for-business
• ・日本マイクロソフト – Official Home Page：https://www.microsoft.com/ja-jp/

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