Windows 10: Cool new things for Hyper-V on Windows 10

Brink · Jan 9, 2017

Insider build 15002 is now available for Fast Ring windows insiders. In it, you’ll find a few improvements in Hyper-V for Windows 10 users:

A new virtual machine Quick Create experience (work in progress).

More aggressive memory allocation for starting virtual machines. This is especially useful for anyone using emulators in Visual Studio or static memory virtual machines.

Check it out and send feedback!

Virtual machine Quick Create

Hyper-V Manager has a new single-page wizard that makes it faster and easier to create virtual machines. You can access it through a new “Quick Create…” button (1).

Quick Create focuses on getting the guest operating system up and running. It automatically creates virtual hardware necessary to run the guest operating system (2). Including a virtual switch! Since many desktop users see internet in the virtual machine as essential, we added the option to create an external switch (3) directly to the new virtual machine experience.

Quick Create is still under active development – try it out and please leave feedback!

Changes in memory allocation

Starting in build 15002, we changed how Hyper-V on Windows 10 allocates memory for starting virtual machines.

In the past, when you started a virtual machine, Hyper-V allocated memory very conservatively. As an example, we maintained reserved memory for the Hyper-V host (root memory reserve) so even if task manager showed 2 GB free memory, Hyper-V wouldn’t use it for virtual machines. Hyper-V also wouldn’t ask for applications to release unused memory (trim). Conservative memory allocation makes sense in a hosting environment where not many applications run on the Hyper-V host and the ones that do are high priority – it doesn’t make much sense for Windows 10 and desktop virtualization.

Windows 10, you’re probably running several applications (web browsers, text editors, chat clients, etc) and most of them will reserve more memory than they’re actively using. With these changes, Hyper-V starts allocating memory in small chunks (to give the operating system a chance to trim memory from other applications) and will use all available memory (no root reserve). Which isn’t to say you’ll never run out of memory but now the amount of memory shown in task manager accurately reflects the amount available for starting virtual machines.

Note: For people using Hyper-V with device emulators in Visual Studio – the emulator does have overhead so you will need at least 200MB more RAM available than the emulator you’re starting suggests (i.e. a 512MB emulator actually needs closer to 700MB available to start successfully).

I’ll post a follow up blog going into more nitty gritty details on this later.

Have fun making virtual machines!

Cheers,

Sarah
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Source: Cool new things for Hyper-V on Windows 10 | Virtualization Blog

Tip How to Quick Create a New Hyper-V Virtual Machine

:)

David_686 · Jan 9, 2017

Virtual Network Driver missing

Hyper-V is a Windows 10 Pro thing only

shadowynd · Jan 9, 2017

Hyper-V on Windows Home Edition?

In my "Services (Local)", the following are listed:

Hyper-V Data Exchange Service

Hyper-V Guest Service Interface

Hyper-V Guest Shutdown Service

Hyper-V Heartbeat Service

Hyper-V Remote Desktop Virtualization Service

Hyper-V Time Synchronization Service

Hyper-V VM Session Service

Hyper-V Volume Shadow Copy Requestor

Since Hyper V isn't supposed to be on Windows 10 Home, I'm wondering what's going on and why it is in my Services. Are there any other services which would appear in Windows 10 Pro, Enterprise or Education that shouldn't appear in Windows 10 Home Services?

Thanks!

Cliff S · Jan 10, 2017

Shawn it's a start, my feedback from 7 months ago: Feedback Hub - Windows Insider Program

Brink · Jan 10, 2017

Funny thing is that I don't have this yet. I guess I'll need to clean install 15002 instead to get it. *Sad

lehnerus2000 · Jan 10, 2017

Shawn it's a start, my feedback from 7 months ago: Feedback Hub - Windows Insider Program
Click to expand...

Apparently the link doesn't work in a browser (PM 27). *Confused

Cliff S · Jan 10, 2017

Funny thing is that I don't have this yet. I guess I'll need to clean install 15002 instead to get it. *Sad
Click to expand...

I'll need to wait until the creators update comes out, because my insider preview is a VM,, unless.... I try nesting like Kari does*Huh

Cliff S · Jan 10, 2017

Apparently the link doesn't work in a browser (PM 27). *Confused

Click to expand...

Works for me, in Edge, it immediately opens feedback hub, and Chrome asks if you want to open it.

lehnerus2000 · Jan 10, 2017

Works for me, in Edge, it immediately opens feedback hub, and Chrome asks if you want to open it.
Click to expand...

Not much use on W7 using PM. *Biggrin

Cliff S · Apr 4, 2018

Not much use on W7 using PM. *Biggrin
Click to expand...

Nope

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