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SLAT cpu feature should be listed a pre-requisite for Hyper-V ; systeminfo is useful to check Hyper-V pre-requisites 

https://github.com/docker/docker.github.io/issues/6381
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docker-for-windows/troubleshoot.md
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@ -233,7 +233,9 @@ Docker for Windows requires a Hyper-V as well as the Hyper-V Module for Windows
Powershell to be installed and enabled. The Docker for Windows installer enables
it for you.
See [these instructions](https://msdn.microsoft.com/en-us/virtualization/hyperv_on_windows/quick_start/walkthrough_install) to install Hyper-V manually. A reboot is *required*. If you install Hyper-V without the reboot, Docker for Windows does not work correctly. On some systems, Virtualization needs to be enabled in the BIOS. The steps to do so are Vendor specific, but typically the BIOS option is called `Virtualization Technology (VTx)` or similar.
Docker for Windows needs two CPU hardware features to use Hyper-V, that are Virtualization and SLAT (Second Level Adress Translation), called also RVI (Rapid Virtualization Indexing).
On some systems, Virtualization needs to be enabled in the BIOS. The steps to do so are Vendor specific, but typically the BIOS option is called `Virtualization Technology (VTx)` or similar. Once enabled in BIOS, 'systeminfo' typed in a command prompt in a will permit to check all Hyper-V needed features.
See [these instructions](https://msdn.microsoft.com/en-us/virtualization/hyperv_on_windows/quick_start/walkthrough_install) to install Hyper-V manually. A reboot is *required*. If you install Hyper-V without the reboot, Docker for Windows does not work correctly.
Once Hyper-V is enabled, it shows up as such on "Turn Windows features on or off".