Hyper-V Dynamic Memory (aka OverCommit) Configuration Guide

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    Before you can get Dynamic memory, you must upgrade the integration components. Four new virtual machine settings in Hyper-V Manager allow you to configure Dynamic Memory. Review the following descriptions to understand how the features work and how they are related. (Instructions on configuring these settings are presented later in this guide, in “Step 3: Configure Dynamic Memory.“)

    Dynamic MemoryNote
    You can change RAM amounts only when the virtual machine is off, but you can change the buffer and weight at any point.

    Note

    You can change RAM amounts only when the virtual machine is off, but you can change the buffer and weight at any point.

    Read more on Technet @> Hyper-V Dynamic Memory Configuration Guide