Windows 10 V2004 is ready, rollout for Insider

[German]After months of development and tests, Microsoft has declared the upcoming spring feature update for Windows 10 2004 as 'ready for release' and is now distributing it to selected parts of Windows insiders in the Release Preview Ring.


On Tuesday, April 14, 2020, Microsoft released the update KB4550936 for Windows 10 V2004 in the Insider program's Slow Ring (see Windows 10 Version 2004: Update KB4550936 for Insider). Now this development branch has been declared as 'ready for release'.

Windows 10 May 2020 Update (Version 2004)

In the blog post Getting the May 2020 Update Ready for Release Microsoft has now announced that they are now beginning to prepare the Windows 10 May 2020 Update (20H1) for release. For this purpose, build 19041.207 has been released to Windows Insider in the Release Preview ring.

Microsoft writes: "We believe that build 19041.207 is the final build, and we will continue to improve the overall experience of the May 2020 update on customer PCs as part of our normal maintenance cadence".

Automatic distribution only to subgroup of insiders

Microsoft states in the blog post that the May 2020 update will initially only be rolled out automatically to a subgroup (about 50% I guess) of Windows Insiders in the Release Preview ring.

Windows Insiders in the Release Preview ring who still want this build can go to the Update & Security and select Windows Update in the Settings page. There you have to start manually an update search to check for updates. If the machine is compatible, the build should be offered as an update and can then be installed.


This contains the update KB4550936

Build 19041.207 (KB4550936) contains all the features of the 20H1 in addition to the following quality improvements and security updates:

  • This build is cumulative and contains all fixes released for Windows Insider in the slow ring in build 19041.21 through build 19041.173.
  • Microsoft has fixed an issue that causes the Remote Procedure Call (RPC) service (rpcss.exe) to close unexpectedly and the device to stop working. You must restart the device.
  • Microsoft has fixed an issue that causes the Device Enrollment Status Page (ESP) on managed devices to stop responding if a policy that requires a restart is installed on the device.
  • Microsoft has fixed an issue that causes the LED flash of the rear camera to not work as expected on managed devices.

The new release also includes the latest security updates for the Microsoft Scripting Engine, Windows kernel, Windows App Platform and Frameworks, Microsoft Graphics Component, Windows Media, Windows Shell, Windows Management, Windows Cloud Infrastructure, Windows Basics, Windows Authentication, Windows Virtualization, Windows Core Networking, Windows Storage and File Systems, Windows Update Stack, and Microsoft JET Database Engine. Details about the vulnerabilities that have been fixed can be found in the Security Update Guide.

Attention: Users of Windows Mixed Reality should be aware that this feature may not work correctly. Therefore, users who use Windows Mixed Reality regularly should not install the update. Microsoft is working on a fix and hopes to release it in early May.

You can find this comment within my blog reporting a bug, that you cannot delete files via the disk cleanup. The bug is confirmed by other users according to a follow-up comment. 

Info for IT-Professionals

Participants in the Windows Insider Program for Business who run the May 2020 Update (version 2004) via WSUS or in the Slow or Release Preview Ring can now request Microsoft support. This support offering is designed to help resolve issues with business use cases and is limited to customers of Windows 10 Enterprise and Pro editions. Users who encounter a serious problem that prevents them or other users in the organization from using a device with this Windows 10 build, or that compromises security or personal information, can request free assistance directly from Microsoft Support by completing an online form. (via)

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2 Responses to Windows 10 V2004 is ready, rollout for Insider

  1. EP says:

    Build 19041.208 in the release preview ring April 30:

    "While we originally thought that Build 19041.207 would be the final build, we made the decision to take in one more fix we felt was important to have before making the May 2020 Update generally available. We believe that Build 19041.208 is the new final build and still plan on continuing to improve the overall experience of the May 2020 Update on customers' PCs as part of our normal servicing cadence."

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