Hi,
Thank you for your posting!
Based on your descriptions, I suppose you would like to know why your computer is installed namespace separation service and what is namespace separation's functions.
There are many reasons why you have namespace separation (p.s. like @S.Sengupta said, isolation and separation are identical), such as the docker configuration, the use of appcontainer, etc. However, you will not be panic after you get a brief insight for namespace isolation.
-What is namespace isolation/separation and how does it work?
The user namespace allows a process to have root privileges within the namespace, without giving it that access to processes outside of the namespace. Isolating a process by the IPC namespace gives it its own interprocess communication resources, for example, System V IPC and POSIX messages.
More information can be found in this article:
https://www.toptal.com/linux/separation-anxiety-isolating-your-system-with-linux-namespaces
Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information.
And this video:
https://www.youtube.com/watch?v=mlm4OBNwJPQ
Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information.
-What are these two items:
DWORD AppcontainerUserSeparation
DWORD InteractiveUserSeparation
As I have explained before, namespace isolation is used to separate different processes, otherwise system corruption may occur on your computer. However, as you can see in the introduction, namespace isolation service belongs to Linux and is firstly introduced in Windows Server 2016. So, your win 10 system may not allow this service applicable to the whole system, to some extent. In Windows, windows container and Hyper-V container are enabled so you can see there is no error message occur when you enable AppcontainerUserSeparation. The article is just the one that @S.Sengupta has introduced:
Thank you for your support!
Best regards
Joan
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