Windows 10 April 2018 Update: Here’s what you can expect
As I’ve noted in the two previous installments in this series, Windows 10’s Hyper-V platform is the ideal way to test-drive a new feature update before trusting it to production hardware.
The most important virtual machine setting is the one that assigns physical memory to your virtual machine. The more memory that VM has, the more you can do with it. And by taking advantage of a feature called virtual memory you can avoid starving the host PC of the memory it needs to do its own work.
Open the Settings dialog box for your virtual machine and click the Memory tab to see and adjust this allocation.
I recommend you pay close attention to two settings in particular.
First, decide much memory to assign to the VM. Using the Quick Create wizard automatically assigns a default value of 2048 MB (2 GB) of RAM, which is not enough for acceptable performance.
On a system with at least 8 GB of physical RAM, I recommend setting a minimum of 4096 MB (4 GB) here. If you have 16 GB (or more) of physical RAM and you plan to use the VM to simulate real working conditions, consider assigning it 8192 MB (8 GB).
Next, decide whether you want to use dynamic memory. When you select the Enable Dynamic Memory check box is selected, your VM starts with the amount of memory you specified above but then adjusts the actual memory allocation to what it needs.
(If you choose not to enable dynamic memory, Hyper-V assigns exactly as much physical RAM as you specified above. That option might be acceptable if your host PC has a ton of RAM (32 GB) and your virtual machine only needs a fraction of it.)
Set the Minimum RAM and Maximum RAM values accordingly. On a system with 16 GB of physical RAM, you might set these values to 4096 MB and 8192 MB, respectively. That prevents the system from lagging when it’s under memory pressure.
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