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My physical machine has an Intel i9-9900X with 64GB of RAM. So why can't it seem to smoothly run two virtual machines at the same time.

I am trying to run both Ubuntu and Kali Linux smoothly on the Windows Hyper-V, but both of them are very sluggish to interact with. Tried to assign more/less memory and processors to them without any improvement. My real intention is not to run both at the same time, but to run one at a time, as smoothly as possible.

At this point the settings are to give the Ubuntu VM 8GB of RAM and 4 virtual processors, and the Kali Linux VM is set to 4GB of RAM and 3 virtual processors. Tried with various values of both RAM and processors, and with or without the 'Dynamic Memory' - but without any improvement.. Does anybody have any idea what will make the VM's perform smoothly?

rehnoj
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I used to run Kali inside Win7 and Win10 without any performance issues. As already mentioned in comments, Hyper-V RD doesn’t perform the best way in GUI and you can notice some worth experience in compare to host.

For Ubuntu – install and connect with VNC. Guide

For Kali I’d suggest use simple SSH and work from CLI. If GUI is required, use VNC. Another guide.

You can also tweak our Hyper-V as described in the following article.