Hot Add & Remove Static Memory in a Hyper-V vNext Virtual Machine

I haven’t looked at the new bits for Windows Server, but this makes me want to.

Working Hard In IT

One of the very nice and handy new capabilities in Windows Server vNext Hyper-V (Windows Server 2015 or Windows Server 10?) is the fact that you can now hot add or remove memory from a virtual machine with a fixed amount of memory. Another step towards continuous availability.

Here’s a test virtual machine RAGNAR running the Technology Preview bits on my test cluster. As you can see it has 1024MB of fixed memory. And Dynamic memory is not enabled.

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I can simply adjust this upward by typing in the value and clicking “Apply”

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and downwards in the same way

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Cool huh!

On top of this to make sure you’re not adding memory needlessly when someone says they need more memory for their VM you can see the memory demand now in the GUI. Both in Hyper-V Manager and in the Failover Clustering GUI.

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The technical preview of Windows vNext is…

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Categories: Microsoft, Technology

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