Microsoft Pushes Windows 10 Insider Preview Build 19043.844 (21H1) to Beta Channel

Windows 10

Microsoft has rolled out Windows 10 Insider Preview Build 19043.844 (21H1) as the feature update for Windows 10. The 21H1 build will be made available as KB4601382 to the Beta channel via seeker experience in Windows Update. If you are part of Windows Insider program in the Beta channel, you should navigate to the Settings | Update & Security | Windows Update and select to download and install 21H1.

The Windows 10 Insider Preview Build 19043.844 (21H1) provides support for Windows Hello multicamera. It automatically set the default as the external camera when both external and internal Windows hello cameras are present. The update brings in Windows Defender Application Guard performance improvements, which include optimizing document opening scenario times.

Microsoft has fixed an issue that causes a one minute or more delay when you open a Microsoft Defender Application Guard Office document. The error occurs when you attempt to open a file with the help of a Universal Naming Convention (UNC) path or Server Message Block (SMB) share link. The Windows Update has improved Robocopy’s performance when copying files that are more than 400MB in capacity. The update also resolved an issue that causes a WDAG container to make use of 1GB of memory when the container is idle.

The Windows 10 Insider Preview Build 19043.844 (21H1) includes performance enhancements related to Windows Management Instrumentation Group Policy Service to support remote work scenarios. The issues pertaining to the Active directory computer group membership have been fixed. The access tokens are regular updates but the changes are not reflected when the administrator makes use of gpresult /r or gpresult /h to create a report.

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If you update to 21H1 build, you will continuously receive new 21H1 updates via Windows Update with the help of the servicing technology. You will continue to receive 20H2 updates even if you decide not to update to 21H1. Going forward, the company will move all the beta channel to 21H1 and at that time the push of 20H2 will be stopped. You can type “winver” into the Taskbar search box to determine whether you are running 21H1 version.

Anand Narayanaswamy is the editor-in-chief of Netans. He was recognized as a Microsoft Most Valuable Professional (MVP) for 9 years (2002 to 2011) and again as a Microsoft MVP in Surface under Windows and Devices in January 2024. He worked as a Chief Technical Editor with ASPAlliance and was part of ASPInsider program. Anand has published several articles and reviews related to various software and hardware products for various software and technology related websites. He is also active on social media and also participates as an Influencer for various brands. Anand can be reached at admin@netans.com