Windows 10 2004 to Upgrade WSL2 Linux Kernels via Windows Update

Windows 10 2004 to Upgrade WSL2 Linux Kernels via Windows Update


Microsoft has announced that the upcoming Windows 10 2004 release will also include Windows Subsystem for Linux 2 (WSL 2) whose Linux kernel will be kept updated via Windows Update.


When Microsoft announced WSL2, they explained that all WSL2 distributions would use a real Microsoft-compiled Linux kernel based on the stable 4.19 version release of Linux at Kernel.org.


Starting with Windows 10 2004, which is expected to be released shortly, and in the latest Windows 10 Insider build 19041.153, when using WSL2 the Linux kernel will first need to be upgraded.


After upgrading, when you attempt to convert a WSL distribution to WSL2 or to launch an existing WSL2 distro, Windows 10 will prompt you to first update to the latest Linux kernel by displaying the following message.


"WSL 2 requires an update to its kernel component. For information please visit https://aka.ms/wsl2kernel"



Prompt to update Windows Linux kernel

For now, Windows 10 users will need to manually download and install the latest WSL 2 kernel using these instructions.


At this time, after installing the available Linux kernel update, WSL 2 distributions will be using the following kernel:


Linux version 4.19.84-microsoft-standard (oe-user@oe-host) (gcc version 8.2.0 (GCC)) #1 SMP Wed Nov 13 11:44:37 UTC 2019

In a future update to Windows 10 2004, though, Microsoft plans on distributing new WSL 2 kernels via Windows Update.


Similar to Windows Defender updates and Security Intelligence definition updates, if a new Linux ker ..

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