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Microsoft Moves Towards ‘Redstone 4’ Completion with Windows 10 Build 17110, Machine Learning Server 9.3 Released

Windows 10 RS4 Build 17110: Enterprises now run custom actions during feature update

Microsoft releases another Redstone 4 test build on Tuesday to Windows Insiders in the Fast ring with added capabilities around enterprise customers, such as scripts, custom actions as well as new Windows Container images.

With this RS4 build, Microsoft is flighting matching Windows containers images of Server Core and Nano Server to the Docker Hub for Windows users.

Here is what’s new in the latest Windows 10 Insider Preview Build 17110 (RS4):

The biggest improvement in this RS4 build is probably for Enterprise customers who are now able to run custom actions during feature update. As, Microsoft today adds a new feature that let enterprise run their own custom actions/scripts synchronously with setup. The setup also will migrate the scripts for future updates.

These custom actions are then executed by the Setup during two update phases which are controlled by “preinstall.cmd” or “precommit.cmd”:

“Pre-install.cmd would execute just before all the system and device compatibility scans run,” while, “pre-commit.cmd happens just before the system reboots into the offline phase.”

In the event of an update failure or rollback, “a failure.cmd script can be used to perform custom operations” or “undo actions of previous custom scripts,” write Microsoft. Also, enterprises can now run post rollback scripts in system context.

Here is the commands:

Run (Migrate):


Run Once (Do not migrate):


With RS4, also Microsoft is enabling /postrollback scripts to run in admin context or system context with a newly added switch “/postrollbackcontext “xxx” to be used along with /postrollback switch to specify in which context should the scripts be executed”:

To run /postrollback scripts in system context
– setup.exe /postrollback c:\Fabrikam\setuprollback.cmd /postrollbackcontext system

To run /postrollback scripts with first user to login have admin privileges (admin context)
– setup.exe /postrollback c:\Fabrikam\setuprollback.cmd /postrollbackcontext admin

In addition, Microsoft Machine Learning Server 9.3 release addresses some important requests from users.

Key areas of investment in 9.3 are:

  • Set-up and configuration of Operationalization,
  • Platform upgrades, better-together with Azure ML, support for local Spark,
  • Improved revoscalepy library,
  • Linux R-Client support for SQL Server compute context,
  • more partnerships and solution templates to quickly get you started and become effective at building and managing intelligent applications.

Microsoft Machine Learning Server, includes:

  • High-performance ML and AI wherever your data lives.
  • The best AI innovation from Microsoft and open source.
  • Simple, secure and high-scale operationalization and administration.
  • A collaborative data science environment for intelligent application development.
  • Deep ecosystem engagements, to deliver customer success with optimal TCO.

Finally, Microsoft notes, that more exciting updates in Machine Learning Services are scheduled to release with upcoming SQL Server and Azure SQL Database with R Services (preview).

For now, you can download Microsoft Machine Learning Server 9.3 from Visual Studio Dev Essentials, or provision it via ML Server VMs in Azure.

Update 03/02: Microsoft pushed another Redstone 4 build to Windows Insiders in the Fast ring. There are currently two issues impacting the Windows Mixed Reality usability in this latest Insider Preview Build 17112.

“Windows Mixed Reality runs at a very low frame rate (8-10fps) that could result in some physical discomfort. And there are multiple crashes at startup that will cause Windows Mixed Reality to not work,” Dona Sarkar wrote.

To keep Windows Mixed Reality working, Insiders are suggested not to take new Insider Preview builds until these issues are fixed. To pause getting new Insider Preview builds, just go to Settings -> Update & Security -> Windows Insider Program and press “Stop Insider Preview builds” button and choosing “Pause updates for a bit”.

General changes, improvements, and fixes for PC

  • We fixed an issue where selecting a notification after taking a screenshot or game clip opened the Xbox app’s home screen instead of opening the screenshot or game clip.
  • We fixed an issue where EFI and Recovery partitions were unexpectedly listed in Defragment and Optimize Drives.
  • We fixed an issue optimizing drives in Defragment and Optimize Drives didn’t work in the last few flights.
  • We fixed an issue resulting in a permanently black window if you dragged a tab out of a Microsoft Edge window, pulled it up to the top edge of the screen, and moved it back down and released it.
  • We fixed an issue where the warning on Windows 10 S when trying to run non-Microsoft Store apps from File Explorer might end up stuck behind the File Explorer window.
  • We fixed an issue where there was some unexpected extra space in the File Explorer navigation pane before the chevron icons to expand/collapse folders.
  • We fixed an issue where if focus was set inside Action Center pressing Esc wouldn’t close the Action Center window.
  • We fixed an issue that could result in ShellExperienceHost periodically waking the device from hibernate if active live tiles were pinned to Start.
  • We fixed an issue where navigating to Settings > System > Focus Assist > “Customize your priority list” could crash Settings.

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