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Last change
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FE/Qt: bugref:10705. Merging r6149 from doc team's repo.
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| 1 | <?xml version='1.0' encoding='UTF-8'?>
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| 2 | <!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
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| 3 | <topic xml:lang="en-us" id="nested-virt">
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| 4 | <title>Nested Virtualization</title>
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| 5 |
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| 6 | <body>
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| 7 | <p><ph conkeyref="vbox-conkeyref-phrases/product-name"/> supports <i>nested virtualization</i>. This feature enables
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| 8 | the passthrough of hardware virtualization functions to the guest VM. That means that you can install a
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| 9 | hypervisor, such as <ph conkeyref="vbox-conkeyref-phrases/product-name"/>, Oracle VM Server or KVM, on an <ph
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| 10 | conkeyref="vbox-conkeyref-phrases/product-name"/> guest. You can then create and run VMs within the guest VM. </p>
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| 11 | <p>Hardware virtualization features not present on the host CPU will not be exposed to the guest. In addition, some
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| 12 | features such as nested paging are not yet supported for passthrough to the guest. </p>
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| 13 | <p>You can enable the nested virtualization feature in one of the following ways: </p>
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| 14 | <ul>
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| 15 | <li>
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| 16 | <p>From <ph conkeyref="vbox-conkeyref-phrases/vbox-mgr"/>, select the <b outputclass="bold">Enable Nested
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| 17 | VT-x/AMD-V</b> check box on the <b outputclass="bold">Processor</b> tab. To disable the feature, deselect
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| 18 | the check box. </p>
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| 19 | </li>
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| 20 | <li>
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| 21 | <p>Use the <codeph>--nested-hw-virt</codeph> option of the <userinput>VBoxManage modifyvm</userinput> command to
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| 22 | enable or disable nested virtualization. See <xref href="vboxmanage-modifyvm.dita">VBoxManage modifyvm</xref>. </p>
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| 23 | </li>
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| 24 | </ul>
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| 25 | </body>
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| 26 |
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| 27 | </topic>
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