Microsoft 365 のサービス正常性（OD448875）にて、Windows のセキュリティ更新プログラムを “KB5018410” へアップデートしたユーザーの OneDrive 同期クライアントで様々な問題が発生する可能性がある SI（サービス インシデント）が発生しています。

“OD448875” のサマリー

目次

Some users may intermittently experience various problems with the OneDrive for Business Sync Client – OD448875

サービス：OneDrive for Business

状態：Service degradation

ユーザーへの影響：Users may intermittently experience various problems with the OneDrive for Business Sync Client.

Microsoft 365 のサービス正常性（OD448875）にて、Windows のセキュリティ更新プログラムを “KB5018410” へアップデートしたユーザーの OneDrive 同期クライアントで様々な問題が発生する可能性がある SI（サービス インシデント）が発生しています。

本事象は、Windows のセキュリティ更新プログラムを “KB5018410” へアップデートしたユーザーの OneDrive 同期クライアントで以下の問題が発生する可能性があります。

• ・OneDrive 同期クライアントからサインアウトできない
• ・OneDrive 同期クライアントを経由して、チーム サイトの同期を停止できない
• ・OneDrive 同期クライアントをアンインストールできない
• ・OneDrive 同期クライアントがクラッシュする

なお、Microsoft 側では、セキュリティ更新プログラムを “KB5018410” へアップデートすることを推奨しています。

https://support.microsoft.com/en-gb/topic/october-11-2022-kb5018410-os-builds-19042-2130-19043-2130-and-19044-2130-6390f057-28ca-43d3-92ce-f4b79a8378fd

現在、修正プログラムの展開が完了したことを確認し、影響を受けるユーザーで改善したことを確認しました。

本事象は、最近の Windows のセキュリティ更新プログラム “KB5018410” 内に OneDrive 同期クライアントに問題を発生させるコードの問題が含まれていることにより発生しています。

今後は、開発及び検証プロセスにおいて、同様の問題が影響をおよぼす前に特定できるように問題のある Windows セキュリティ更新プログラムと特定されたコードの問題をさらに検証していきます。

この問題は、Windows のセキュリティ更新プログラム “KB5018410 にアップデートした OneDrive 同期クライアントを利用するユーザーに対して、断続的に影響が発生する可能性があります。

November 4, 2022 4:47 AM

• ・Title : Some users may intermittently experience various problems with the OneDrive for Business Sync Client
• ・User Impact : Users may have intermittently experienced various problems with the OneDrive for Business Sync Client.
• ・More info : Users that had updated to Windows Security update KB5018410 may have intermittently experienced the following OneDrive for Business Sync Client issues:
• – Unable to sign out of OneDrive for Business Sync Client
• – Unable to stop syncing a team site via OneDrive for Business Sync Client
• – Unable to uninstall OneDrive for Business Sync Client
• – OneDrive for Business Sync Client crashes
• We recommended that users still updated to this latest Windows Security update KB5018410.
• More details on this update can be found here:
• https://support.microsoft.com/en-gb/topic/october-11-2022-kb5018410-os-builds-19042-2130-19043-2130-and-19044-2130-6390f057-28ca-43d3-92ce-f4b79a8378fd
• ・Final status : Following the deployment of our fixed build, we’ve confirmed with affected users that impact has been remediated.
• ・Scope of impact : Impact may have occurred intermittently for OneDrive for Business Sync Client users that had updated to Windows Security update KB5018410.
• ・Start time : Tuesday, October 11, 2022, 9:00 AM (12:00 AM UTC)
• ・End time : Thursday, November 3, 2022, 9:00 AM (12:00 AM UTC)
• ・Root cause : A recent Windows Security update, KB5018410, contained a code issue that resulted in intermittent OneDrive for Business Sync Client issues.
• ・Next steps : – We’re further reviewing the offending Windows Security update and the identified code issue to help identify similar issues during our development and validation processes and before they’re able to result in impact.
• This is the final update for this event.

November 3, 2022 4:31 AM

• ・Title : Some users may intermittently experience various problems with the OneDrive for Business Sync Client
• ・User Impact : Users may intermittently experience various problems with the OneDrive for Business Sync Client.
• ・More info : Users that have updated to Windows Security update KB5018410 may intermittently experience the following OneDrive for Business Sync Client issues:
• – Unable to sign out of OneDrive for Business Sync Client
• – Unable to stop syncing a team site via OneDrive for Business Sync Client
• – Unable to uninstall OneDrive for Business Sync Client
• – OneDrive for Business Sync Client crashes
• We recommend that users still update to this latest Windows Security update KB5018410.
• More details on this update can be found here:
• https://support.microsoft.com/en-gb/topic/october-11-2022-kb5018410-os-builds-19042-2130-19043-2130-and-19044-2130-6390f057-28ca-43d3-92ce-f4b79a8378fd
• ・Current status : We’ve confirmed that the deployment of the fixed build is complete and we expect the changes to propagate throughout the affected environment to fully resolve this issue for all affected users by our next update.
• Users still experiencing this problem can use the manual installer found in the link provided in our previous status update to expedite resolution of the problem.
• https://oneclient.sfx.ms/Win/Prod/22.212.1009.0004/OneDriveSetup.exe
• ・Scope of impact : Impact may occur intermittently for OneDrive for Business Sync Client users that have updated to Windows Security update KB5018410.
• ・Start time : Tuesday, October 11, 2022, 9:00 AM (12:00 AM UTC)
• ・Root cause : A recent Windows Security update, KB5018410, contained a code issue that resulted in intermittent OneDrive for Business Sync Client issues.
• ・Next update by : Friday, November 4, 2022, 8:30 AM (11/3/2022, 11:30 PM UTC)

November 1, 2022 6:56 AM

• ・Title : Some users may intermittently experience various problems with the OneDrive for Business Sync Client
• ・User Impact : Users may intermittently experience various problems with the OneDrive for Business Sync Client.
• ・More info : Users that have updated to Windows Security update KB5018410 may intermittently experience the following OneDrive for Business Sync Client issues:
• – Unable to sign out of OneDrive for Business Sync Client
• – Unable to stop syncing a team site via OneDrive for Business Sync Client
• – Unable to uninstall OneDrive for Business Sync Client
• – OneDrive for Business Sync Client crashes
• We recommend that users still update to this latest Windows Security update KB5018410.
• More details on this update can be found here:
• https://support.microsoft.com/en-gb/topic/october-11-2022-kb5018410-os-builds-19042-2130-19043-2130-and-19044-2130-6390f057-28ca-43d3-92ce-f4b79a8378fd
• ・Current status : Our fix has encountered a deployment issue which has prevented it from completing as expected.
• After addressing the deployment blocker, the redeployment of our fix has completed approximately 25 percent saturation.
• Our current progress-based estimates suggest that the deployment will complete by Wednesday, November 2, 2022.
• Users can access the manual installer to update to the latest, fixed version, immediately through the following link:
• https://oneclient.sfx.ms/Win/Prod/22.212.1009.0004/OneDriveSetup.exe
• ・Scope of impact : Impact may occur intermittently for OneDrive for Business Sync Client users that have updated to Windows Security update KB5018410.
• ・Start time : Tuesday, October 11, 2022, 9:00 AM (12:00 AM UTC)
• ・Root cause : A recent Windows Security update, KB5018410, contained a code issue that resulted in intermittent OneDrive for Business Sync Client issues.
• ・Next update by : Thursday, November 3, 2022, 8:30 AM (11/2/2022, 11:30 PM UTC)

October 25, 2022 7:29 AM

• ・Title : Some users may intermittently experience various problems with the OneDrive for Business Sync Client
• ・User Impact : Users may intermittently experience various problems with the OneDrive for Business Sync Client.
• ・More info : Users that have updated to Windows Security update KB5018410 may intermittently experience the following OneDrive for Business Sync Client issues:
• – Unable to sign out of OneDrive for Business Sync Client
• – Unable to stop syncing a team site via OneDrive for Business Sync Client
• – Unable to uninstall OneDrive for Business Sync Client
• – OneDrive for Business Sync Client crashes
• We recommend that users still update to this latest Windows Security update KB5018410.
• More details on this update can be found here:
• https://support.microsoft.com/en-gb/topic/october-11-2022-kb5018410-os-builds-19042-2130-19043-2130-and-19044-2130-6390f057-28ca-43d3-92ce-f4b79a8378fd
• ・Current status : We’ve completed validation of the fix and initiated the incremental deployment to the affected environment.
• We expect for any affected users who’ve not elected for deferred updates to receive the fix by October 31; however, users can use the following link to access the manual installer to update to the latest, fixed version, immediately.
• https://oneclient.sfx.ms/Win/Prod/22.212.1009.0004/OneDriveSetup.exe
• ・Scope of impact: Impact may occur intermittently for OneDrive for Business Sync Client users that have updated to Windows Security update KB5018410.
• ・Start time : Tuesday, October 11, 2022, 9:00 AM (12:00 AM UTC)
• ・Root cause : A recent Windows Security update, KB5018410, contained a code issue that resulted in intermittent OneDrive for Business Sync Client issues.
• ・Next update by : Tuesday, November 1, 2022, 8:30 AM (11/31/2022, 11:30 PM UTC)

October 22, 2022 7:11 AM

• ・Title : Some users may intermittently experience various problems with the OneDrive for Business Sync Client
• ・User Impact : Users may intermittently experience various problems with the OneDrive for Business Sync Client.
• ・More info : Users that have updated to Windows Security update KB5018410 may intermittently experience the following OneDrive for Business Sync Client issues:
• – Unable to sign out of OneDrive for Business Sync Client
• – Unable to stop syncing a team site via OneDrive for Business Sync Client
• – Unable to uninstall OneDrive for Business Sync Client
• – OneDrive for Business Sync Client crashes
• We recommend that users still update to this latest Windows Security update KB5018410.
  More details on this update can be found here:
• https://support.microsoft.com/en-gb/topic/october-11-2022-kb5018410-os-builds-19042-2130-19043-2130-and-19044-2130-6390f057-28ca-43d3-92ce-f4b79a8378fd
• ・Current status : After receiving reports from users on various issues affecting the OneDrive for Business Sync Client, we identified that a recent Windows Security update, KB5018410, contained a code issue that resulted in impact.
• We’re developing a code fix to address this problem which will then proceed to a testing a validation phase prior to deployment.
• ・Scope of impact : Impact may occur intermittently for OneDrive for Business Sync Client users that have updated to Windows Security update KB5018410.
• ・Start time : Tuesday, October 11, 2022, 9:00 AM (12:00 AM UTC)
• ・Root cause : A recent Windows Security update, KB5018410, contained a code issue that resulted in intermittent OneDrive for Business Sync Client issues.
• ・Next update by: Tuesday, October 25, 2022, 8:30 AM (10/24/2022, 11:30 PM UTC)

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• ・OneDrive for Business｜安全なクラウド ストレージ｜クラウド バックアップ：https://www.microsoft.com/ja-jp/microsoft-365/onedrive/onedrive-for-business
• ・日本マイクロソフト – Official Home Page：https://www.microsoft.com/ja-jp

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