Windows 10 Version 1909用のオプション累積アップデートKB5003212が公開

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Microsoftは5月20日(現地時間)、Windows 10 Version 1909用の累積アップデートKB5003212を公開しました。

オプション扱いの非セキュリティ更新プログラムで、多数の不具合が修正されています。ただし、Windows 10 Version 1909のHome、Proなど一般ユーザー向けエディションは5月11日をもってサポート期間が終了していますのご注意ください。

更新プログラムはシステムの品質を改善するもので新たな機能は追加されていません。更新プログラムはWindows Updateの「更新プログラムのチェック」あるいは、Microsoft Update Catalogからファイルをダウンロードすることで、手動でインストールすることができます

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May 20, 2021—KB5003212 (OS Build 18363.1593) Preview

Version 1909用の更新プログラムKB5003212では、ユーザーが地理的な位置情報を受信できない問題の修正や、電話を転送したときにミュートになる問題の修正、マルチモニター環境で、タッチデバイスがシリアルマウスとして動作しない問題の修正などが行われています。

ハイライト:

  • Updates an issue that prevents users from receiving geographic location information. 

  • Updates an issue with muting a phone call when you transfer the call. 

  • Updates  an issue that prevents a touch device from working as a serial mouse in multiple monitor situations. 

改良と修正:

  • Addresses an issue with the just-in-time (JIT) behavior of jscript9.dll.

  • Addresses an issue that might cause a device to stop responding during hybrid shutdown.

  • Addresses an issue that prevents a touch device from working as a serial mouse in multiple monitor situations.

  • Addresses an issue in Safe Mode that prevents users from signing in if Web Sign-in is enabled.

  • Addresses an issue in Active Directory (AD) Admin Center that displays an error when it lists many organizational units (OU) or container objects and PowerShell Transcription is enabled. The error message is, "Collection was modified after the enumerator was instantiated".

  • Addresses an issue with devices that were configured using mobile device management (MDM) RestrictedGroups, LocalUsersAndGroups, or UserRights policies. These devices incorrectly continue to receive the policy after you use MDM to remove the configuration profile that has the policy. As a result, users of the affected devices might have incorrect group memberships and UserRights assignments or other symptoms. This issue occurs after installing Windows updates from October 20, 2020 and later.

  • Addresses an issue with the Autopilot Reset command taking too long to process after it has been sent.

  • Addresses an issue that might cause application installers to fail. This issue occurs when you enable Address Space Layout Randomization (ASLR) using the PowerShell command “set-processmitigation -system -enable forcerelocateimages”.

  • Addresses an issue that fails to apply BitLocker encryption automatically using a Group Policy. This issue occurs on external drives that have a master boot record (MBR) active boot partition.

  • Addresses a memory leak issue in PKU2U that causes cluster nodes to run out of memory.

  • Addresses an issue that fails to register a DNS update to an A record and a PTR when Azure virtual machines update against corporate DNS zones.

  • Addresses an issue that prevents users from receiving geographic location information even when all the geolocation UI settings are enabled correctly, and the device contains a location sensor.

  • Addresses an issue with muting a phone call when you transfer the call.

  • Addresses an issue with per-user profiles that occurs after you set the Group Policy Object “Allow everyone to create all user profiles” to “Disabled”. After restarting the device, Wi-Fi doesn’t automatically reconnect when using per-user profiles.

  • Addresses an issue that prevents a task from working correctly when you set the condition “Start only if the following network connection is available” for the task.

  • Addresses a memory leak that might occur in some Remote Desktop screen sharing scenarios.

  • Addresses an issue with the PerfMon API that might cause handle leaks, which slow performance.

  • Updates Delivery Optimization to accept a custom port in the DOCacheHost configuration.

  • Addresses an issue that might cause endless replication when you promote a new domain controller and the Active Directory Recycle Bin feature is enabled.

  • Addresses an issue that sporadically prevents the Resource Host Subsystem (RHS) from registering network name resources in the Domain Name System (DNS). As a result, Event ID 1196 appears.

  • Addresses a timing issue that might cause a RemoteApp to intermittently duplicate characters that were entered on the local keyboard or pasted from the Windows clipboard.

更新プログラムには以下の2件の既知の不具合が存在します。

  • Windows 10 Version 1809以降のWindows 10からそれより新しいバージョンのWindows 10にアップデートするとシステム証明書およびユーザー証明書が失われる可能性がある。
  • Microsoft Teams、OneDrive for Business、Microsoft Outlook など、一部の Microsoft 365 デスクトップクライアントアプリにサインインできなくなる場合がある。

回避策はKBページでご確認ください。

更新プログラムはWindows Updateの他、Microsoft Update Catalogや、Windows Server Update Services(WSUS)を利用してインストールすることができます。

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