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There appears to be no way of obtaining the correct OS name for Hyper-V virtual machines running Windows 11.
We get this information from the Msvm_KvpExchangeDataItem class, but Windows 11 reports incorrectly as Windows 10, even on latest builds.
Per documentation this value comes from the registry key:
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\ProductName
https://learn.microsoft.com/en-us/previous-versions/windows/desktop/virtual/msvm-kvpexchangedataitem
Is this something Microsoft plans to address? We rely on this value to display information about virtual machines without needing to query the guests directly.
In another thread, I had posted a test with 3 methods to get OS name (<link removed>)
Some people said the 3rd method worked on Windows 11, but I cannot check (I'm on Windows 10)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(89.60000000000001, 81%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERA%3C/text%3E%3C/svg%3E)
This issue has been reported and I advise you to open the Feedback Hub app and look into already existing feedback and if that is your case, you may upvote it. Otherwise, you may create a new bug report.
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Hello,
The value of Windows 10 on that registry key is by design, there are no plans to change it.
So reporting the incorrect OSName for Windows 11 is "by design"?
Hello,
There are supposed to be more correct ways of getting the OS Version, than using the registry key.
That's the issue I'm facing though, there seems to be one way to query this from Hyper-V without needing to query the guest VMs directly.
https://learn.microsoft.com/en-us/windows/win32/hyperv_v2/msvm-kvpexchangedataitem
Certainly open to other approaches if they exist though.
Did you test the sample I posted ?