Windows 沙盒是^{(Windows Sandbox)}Windows 操作系统^{(Windows OS)}的新功能之一。不幸的是，即使您在VirtualBox中使用正确的^(VirtualBox)Windows 11/10版本，也无法使用Windows Sandbox。与VMware一样，VirtualBox需要您的处理器提供特定支持，以便它可以创建嵌套虚拟机。如果您尝试在没有此支持的情况下enable Windows Sandbox in Windows 11/10Windows 功能^{(Windows Features)}窗口中找到一个灰显的按钮。

如果Windows Sandbox显示一些错误消息，例如：

• 无法安装 Windows Sandbox，处理器没有所需的虚拟化功能^{(Windows Sandbox cannot be installed, The processor does not have required virtualization capabilities)}
• 您没有SLAT（二级地址转换）^{(You do not have SLAT (Second Level Address Translation))}

您可以使用本指南解决此问题。

系统/硬件要求：

1. 您必须拥有VirtualBox的最新版本 (6.x.x+) 。旧版本的VirtualBox没有嵌套虚拟化支持。
2. 第二个要求是VirtualBox不支持Intel CPU^{(Intel CPUs)}上的嵌套虚拟化，截至目前。换句话说，您必须拥有AMD CPU^{(AMD CPUs)}。VirtualBox有这个限制，我希望未来的更新能够消除这个障碍。

在VirtualBox中启用Windows 沙盒^{(Windows Sandbox)}

要在VirtualBox虚拟机中启用和使用Windows Sandbox ，请按照以下步骤操作 -^{(Windows Sandbox)}

1. 启用嵌套 VT-x/AMD-V
2. 允许 4 个核心
3. 在Windows功能中打开Windows 沙盒^{(Windows Sandbox)}

您需要启用一个特定设置才能在VirtualBox虚拟机中使用嵌套虚拟化。这称为嵌套VT-x/AMD-V。虽然它说VT-x ，但如果您有^(VT-x)Intel CPU，则不能允许此功能。

要查找此设置，请打开VirtualBox，选择虚拟机，然后单击“设置”^{(Settings )}按钮。之后，切换到系统^{(System )}部分并转到处理器^{(Processor )}选项卡。从这里开始，您需要进行两项更改。

首先，您需要为虚拟机分配至少 4 个核心。您可以使用处理器^{(Processor(s) )}栏来提高核心数量。

其次，您需要选中Enable Nested VT-x/AMD-V 复选框。

之后，单击“确定”按钮保存更改。

现在，启动您的虚拟机，然后在任务栏^(Taskbar)搜索框中搜索打开或关闭 Windows 功能。^{(Turn Windows features on or off )}打开Windows 功能^{(Windows Features)}面板后，您应该能够像往常一样启用Windows 沙盒。^{(Windows Sandbox)}

希望这个提示对您有所帮助。^{(Hope this tip will be helpful for you.)}

阅读下一篇^{(Read next)}：如何在 VMware Workstation 中启用 Windows Sandbox。

How to enable Windows Sandbox in VirtualBox guest OS

Windows Sandbox is one of the new features in Windows OS. Unfortunаtely, even if you are using the correct Windows 11/10 build in VirtualBox, you cannot use Windows Sandbox. Lіke VMware, VirtualΒox requires ѕpeсific support from your procеssor so that it can create a nested virtual machine. If yoυ try to enable Windows Sandbox in Windows 11/10 without this support, you will find a grayed-out button in the Windows Features window.

If Windows Sandbox displays some error message like:

• Windows Sandbox cannot be installed, The processor does not have required virtualization capabilities
• You do not have SLAT (Second Level Address Translation)

You can fix this problem using this guide.

System/hardware requirements:

1. You must have the latest version (6.x.x+) of VirtualBox. Older version VirtualBox doesn’t have nested virtualization support.
2. The second requirement is VirtualBox doesn’t support nested virtualization on Intel CPUs, as of now. In other words, you must have AMD CPUs. VirtualBox has this limitation, and I hope future updates will lift this barrier.

Enable Windows Sandbox in VirtualBox

To enable and use Windows Sandbox in VirtualBox virtual machine, follow these steps-

1. Enable Nested VT-x/AMD-V
2. Allow 4 cores
3. Turn on Windows Sandbox in Windows Features

There is a specific setting that you need to enable in order to use nested virtualization in VirtualBox virtual machine. This is called Nested VT-x/AMD-V. Although it says VT-x, you cannot allow this feature if you have Intel CPU.

To find this setting, open the VirtualBox, select the virtual machine, and click the Settings button. After that, switch to System section and go to the Processor tab. From here, you need to make two changes.

First, you need to assign at least 4 cores to the virtual machine. You can use the Processor(s) bar to raise the core number.

Secondly, you need to select the Enable Nested VT-x/AMD-V checkbox.

After that, click the OK button to save your change.

Now, start your virtual machine, and search for Turn Windows features on or off in the Taskbar search box. After opening the Windows Features panel, you should be able to enable Windows Sandbox as usual.

Hope this tip will be helpful for you.

Read next: How to enable Windows Sandbox in VMware Workstation.

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