【トラブルシューティング】iOS 14 のデバイスで OneDrive for Business のコンテンツにアクセスできないことがある SI（サービスインシデント）が発生【OD338912】【復旧済み】

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Microsoft が提供する Microsoft 365 のサービス正常性（OD338912）にて、iOS 14 を搭載したデバイスで OneDrive for Business のコンテンツにアクセスできない SI（サービスインシデント）が発生していることを発表しています。

本事象はモバイルデバイス管理（MDM）からアプリケーションを管理している iOS 14 のデバイスで発生しているユーザー特有の問題になりました。

影響が発生していないユーザーに対しては、管理者ユーザーが最新の iOS 版 “OneDrive” アプリケーションを Intune から自動更新の制御を行い、アップデートがユーザーに展開されないように設定することを推奨していました。

なお、この問題は iOS 15 へアップデートすることでも影響を軽減することができるとのことです。

iOS 版 “OneDrive” アプリケーションのアップデートを Apple 側が正式に承認したことで、App Store から DL（ダウンロード）できるようになっていることを確認しました。

さらに、サービスの影響を受けていたユーザーにて、iOS 14 のどのバージョンで利用しても iOS 版 “OneDrive” アプリケーションがクラッシュしなくなり、影響が解消されていることを確認しています。

今後は設定変更による検証手順を見直して、同様のしなりをを潜在的な影響の前に切り分けて、防止できるようにするとのことです。

この問題は、iOS 15 向けの OneDrive for Business アプリケーションの改善を目的とした設定変更によって、一部のモバイルデバイス管理（MDM 管理）にて管理している iOS 14 のデバイスを利用するユーザーで影響が発生したものになります。

また、iOS 14 を搭載したデバイスでモバイルデバイス管理（MDM 管理）から OneDrive for Business アプリケーションを管理するユーザーが、OneDrive for Business 上からコンテンツにアクセスしようとすると一部のユーザーに影響する問題となっていました。

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Users may be unable to access OneDrive for Business content on devices running iOS 14 – OD338912

サービス：OneDrive for Business

状態：Service restored

ユーザーへの影響：Users may be unable to access OneDrive for Business content on devices running iOS 14.

Microsoft 365 のサービス正常性（OD338912）にて、iOS 14 を搭載したデバイスで OneDrive for Business のコンテンツにアクセスできない SI（サービスインシデント）が発生していることを発表しています。

本事象はモバイルデバイス管理（MDM）からアプリケーションを管理している iOS 14 のデバイスで発生しているユーザー特有の問題になりました。

なお、この問題は iOS 15 へアップデートすることでも影響を軽減することができるとのことです。

今後は設定変更による検証手順を見直して、同様のしなりをを潜在的な影響の前に切り分けて、防止できるようにするとのことです。

March 11, 2022 6:38 AM

・Title : Some users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may have been unable to access OneDrive for Business content on devices running iOS 14.
・More info : Impact was specific to users who were on devices running iOS 14 that received the app from Mobile Device Management (MDM).
For users who hadn’t yet experienced impact, we recommended admins implement safe rollout for the OneDrive iOS app from Intune rather than auto update to ensure that the newest OneDrive app wasn’t deployed to users on any version of iOS 14.
Users could have also upgraded to iOS 15 to experience relief.
・Final status : We’ve confirmed that the updated version of the OneDrive for Business app has been successfully approved by Apple and is now available in the app store.
Additionally, we’ve verified via service telemetry and with some formerly affected MDM users that impact is resolved as the OneDrive for Business app no longer crashes when utilized on any iOS 14 version.
・Scope of impact : This issue affected some MDM users attempting to access OneDrive for Business content on devices running iOS 14.
・Start time : Thursday, March 3, 2022, 9:00 AM (12:00 AM UTC)
・End time : Friday, March 11, 2022, 2:35 AM (3/10/2022, 5:35 PM UTC)
・Root cause : A recent configuration change intended to improve the app for iOS 15 caused impact to the app version for iOS 14 and inhibited some MDM users from accessing OneDrive for Business content on iOS 14.
・Next steps : – We’re reviewing validation procedures for future configuration changes so we can isolate and prevent similar scenarios prior to potential impact.
This is the final update for the event.

March 10, 2022 11:16 AM

・Title : Some users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may be unable to access OneDrive for Business content on devices running iOS 14.
・More info : Impact is specific to users who are on devices running iOS 14 that have received the app from a Mobile Device Management (MDM).
For users who haven’t yet experienced impact, we recommend admins implement safe rollout for the OneDrive iOS app from Intune rather than auto update to ensure that the newest OneDrive app isn’t deployed to users on any version of iOS 14.
Users can also upgrade to iOS 15 to experience relief.
・Current status : We’ve completed validation and are in the process of submitting the application for Apple’s approval.
・Scope of impact : This issue affects some users attempting to access OneDrive for Business content on devices running iOS 14.
・Start time : Thursday, March 3, 2022, 9:00 AM (12:00 AM UTC)
・Root cause : A recent configuration change intended to improve the app for IOS 15 has caused impact to the app version for IOS 14,
・Next update by : Friday, March 11, 2022, 7:00 AM (3/10/2022, 10:00 PM UTC)

March 10, 2022 5:47 AM

・Title : Some users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may be unable to access OneDrive for Business content on devices running iOS 14.
・More info : For users who haven’t yet experienced impact, we recommend admins implement safe rollout for the OneDrive iOS app from Intune rather than auto update to ensure that the newest OneDrive app isn’t deployed to users on any version of iOS 14.
Users can also upgrade to iOS 15 to experience relief.
・Current status : We’re performing final validation actions on the reworked fix we developed prior to submitting it for Apple’s approval, while simultaneously continuing to work on isolating the specific cause of impact.
Once approved, we’ll perform a final round of testing to ensure that impact is successfully remediated.
・Scope of impact : This issue affects some users attempting to access OneDrive for Business content on devices running iOS 14.
・Start time : Thursday, March 3, 2022, 9:00 AM (12:00 AM UTC)
・Next update by : Thursday, March 10, 2022, 12:30 PM (3:30 AM UTC)

March 9, 2022 10:34 AM

・Title : Some users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may be unable to access OneDrive for Business content on devices running iOS 14.
・More info : For users who haven’t yet experienced impact, we recommend admins implement safe rollout for the OneDrive iOS app from Intune rather than auto update to ensure that the newest OneDrive app isn’t deployed to users on any version of iOS 14.
Users can also upgrade to iOS 15 to experience relief.
・Current status : We’re continuing our efforts of performing extensive validation on the fix before resubmitting it for Apple’s approval.
・Scope of impact : This issue affects some users attempting to access OneDrive for Business content on devices running iOS 14.
・Start time : Thursday, March 3, 2022, 9:00 AM (12:00 AM UTC)
・Root cause : The newest version of the OneDrive app for iOS 14 contains a configuration change that is impacting OneDrive for Business content.
・Next update by : Thursday, March 10, 2022, 6:30 AM (3/9/2022, 9:30 PM UTC)

March 9, 2022 6:25 AM

・Title : Some users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may be unable to access OneDrive for Business content on devices running iOS 14.
・More info : For users who haven’t yet experienced impact, we recommend admins implement safe rollout for the OneDrive iOS app from Intune rather than auto update to ensure that the newest OneDrive app isn’t deployed to users on any version of iOS 14.
Users can also upgrade to iOS 15 to experience relief.
・Current status : We’ve determined that the initial proposed fix was unsuccessful when we put it through the full loop with Apple.
As a result, we’ve reworked this fix and are performing extensive validation on it prior to resubmission for Apple’s approval once more and beginning its deployment.
We anticipate completion of the validation and potentially having a deployment timeline by the next scheduled update.
・Scope of impact : This issue affects some users attempting to access OneDrive for Business content on devices running iOS 14.
・Start time : Thursday, March 3, 2022, 9:00 AM (12:00 AM UTC)
・Root cause : The newest version of the OneDrive app for iOS 14 contains a configuration change that is impacting OneDrive for Business content.
・Next update by : Wednesday, March 9, 2022, 11:30 AM (2:30 AM UTC)

March 8, 2022 5:21 AM

・Title : Some users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may be unable to access OneDrive for Business content on devices running iOS 14.
・More info : For users who haven’t yet experienced impact, we recommend admins implement safe rollout for the OneDrive iOS app from Intune rather than auto update to ensure that the newest OneDrive app isn’t deployed to users on any version of iOS 14.
Users can also upgrade to iOS 15 to experience relief.
・Current status : We’re continuing to work with Apple to confirm the source for this event.
After confirmation that one of our potential fixes would not be viable, we’re submitting our remaining potential fixes to Apple, which will determine our action plan for resolving impact.
・Scope of impact : This issue affects some users attempting to access OneDrive for Business content on devices running iOS 14.
・Start time : Thursday, March 3, 2022, 9:00 AM (12:00 AM UTC)
・Root cause : The newest version of the OneDrive app for iOS 14 is impacting users.
・Next update by : Tuesday, March 8, 2022, 4:00 PM (7:00 AM UTC)

March 7, 2022 4:12 PM

・Title : Some users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may be unable to access OneDrive for Business content on devices running iOS 14.
・More info: For users who haven’t yet experienced impact, we recommend admins implement safe rollout for the OneDrive iOS app from Intune rather than auto update to ensure that the newest OneDrive app isn’t deployed to users on any version of iOS 14.
Users can also upgrade to iOS 15 to experience relief.
・Current status: We’ve developed potential fixes and are working to submit them for Apple approval.
The approved builds will help us to identify the source of the issue and determine our best path towards remediating the impact.
・Scope of impact : This issue affects some users attempting to access OneDrive for Business content on devices running iOS 14.
・Start time : Thursday, March 3, 2022, 9:00 AM (12:00 AM UTC)
・Root cause : The newest version of the OneDrive app for iOS 14 is impacting users.
・Next update by : Tuesday, March 8, 2022, 6:00 AM (3/7/2022, 9:00 PM UTC)

March 5, 2022 11:25 AM

・Title : Users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may be unable to access OneDrive for Business content on devices running iOS 14.
・More info : For users who haven’t yet experienced impact, we recommend admins implement safe rollout for the OneDrive iOS app from Intune rather than auto update to ensure that the newest OneDrive app isn’t deployed to users on any version of iOS 14.
Users can also upgrade to iOS 15 to experience relief.
・Current status : We’re continuing our efforts of internally validating a potential fix to ensure it remediates impact.
・Scope of impact : Impact is specific to users served through the affected infrastructure.
・Next update by : Monday, March 7, 2022, 12:00 PM (3:00 AM UTC)

March 5, 2022 7:30 AM

・Title : Users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may be unable to access OneDrive for Business content on devices running iOS 14.
・More info : For users who haven’t yet experienced impact, we recommend admins implement safe rollout for the OneDrive iOS app from Intune rather than auto update to ensure that the newest OneDrive app isn’t deployed to users on any version of iOS 14.
Users can also upgrade to iOS 15 to experience relief.
・Current status : While we’re continuing to diagnose the underlying cause of impact through our assessment of service telemetry, we’ve identified a potential fix to remediate impact.
We’re testing and validating this proposed fix ensure its efficacy in resolving impact prior to implementing it for affected users.
・Scope of impact : Impact is specific to users served through the affected infrastructure.
・Next update by : Saturday, March 5, 2022, 1:00 PM (4:00 AM UTC)

March 5, 2022 5:11 AM

・Title : Users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may be unable to access OneDrive for Business content on devices running iOS 14.
・More info : For users who haven’t yet experienced impact, we recommend admins implement safe rollout from Intune rather than auto update to ensure iOS 14 isn’t automatically installed.
Users can also upgrade to iOS 15 to experience relief.
・Current status : Our investigation has so far been unable to identify viable workarounds; however, we’re continuing to assess diagnostic data and conduct internal reproductions of the issue so we can determine our next troubleshooting steps.
・Scope of impact : Impact is specific to users served through the affected infrastructure.
・Next update by : Saturday, March 5, 2022, 7:30 AM (3/4/2022, 10:30 PM UTC)

March 5, 2022 2:59 AM

・Title : Users may be unable to access OneDrive for Business content on devices running iOS 14
・User Impact : Users may be unable to access OneDrive for Business content on devices running iOS 14.
・More info : For users who haven’t yet experienced impact, we recommend admins implement safe rollout for the OneDrive iOS app from Intune rather than auto update to ensure that the newest OneDrive app is not deployed to users on any version of iOS 14.
Users can also upgrade to iOS 15 to experience relief.
・Current status : We’re continuing to analyze system telemetry in parallel with recent changes made to the service, and we’re simultaneously attempting to reproduce the issue in our internal testing environment to gather additional diagnostic data to assist in our investigation.
While we’re continuing to assess the underlying cause of impact, we’re additionally exploring possible workarounds affected users can leverage until resolution is achieved.
・Scope of impact : Impact is specific to users served through the affected infrastructure.
・Next update by : Saturday, March 5, 2022, 5:30 AM (3/4/2022, 8:30 PM UTC)

March 5, 2022 12:33 AM

・Title : Users may be unable to access OneDrive for Business content utilising iOS devices
・User Impact : Users may be unable to access OneDrive for Business content utilising iOS devices.
・Current status : We’re reviewing service monitoring telemetry to determine the cause of the issue, before beginning to develop a remediation plan.
・Scope of impact : Impact is specific to users served through the affected infrastructure.
・Next update by : Saturday, March 5, 2022, 3:00 AM (3/4/2022, 6:00 PM UTC)

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