如果您尝试打开现有磁盘映像文件，但VirtualBox出现错误消息UUID 已存在^{(UUID already exists)}，您可以采取以下措施来解决此问题。仅当用户尝试导入旧磁盘映像文件以使用VirtualBox运行虚拟机时才会出现此问题。否则，如果您使用 VirtualBox 从头开始​​创建虚拟机，您将不会收到此错误消息。整个错误消息看起来像这样 -

Failed to open the hard disk file [a random .vdi file location]. Cannot register the hard disk ‘.vdi file path’ {Virtual-Disk-UUID} because a hard disk ‘new-vdi-file-path.vdi’ with UUID {Virtual-Disk-UUID} already exists.

VirtualBox注册和打开硬盘^{(Hard Disk)}镜像文件失败

如果您想在VirtualBox中解决这个重复的^(VirtualBox)UUID错误，请尝试这些建议。

只有当 VirtualBox 检测到重复的UUID或磁盘映像文件时，您才会遇到此问题。因此，要解决此问题，您需要删除现有的磁盘映像文件。

打开VirtualBox并转到File > Virtual Media Manager。

从列表中选择虚拟磁盘文件，然后单击“释放 ^(Release )”按钮。

再次选择虚拟磁盘文件并单击“删除 ^(Remove )”按钮。

单击^(Click)虚拟媒体管理器^{(Media Manager)}窗口上的关闭按钮。

选择虚拟机并单击设置 ^(Settings )按钮。

切换到存储^{(Storage )}部分，然后单击加^{(plus )}号以添加虚拟磁盘文件。

在弹出菜单上，选择选择现有磁盘^{(Choose existing disk )}选项并选择磁盘文件 ( .vdi )。

保存您的更改并尝试启动您的虚拟机。

这应该会有所帮助。但是，如果此解决方案在您的计算机上不起作用，则需要卸载 VirtualBox，删除所有剩余部分，然后重新安装。^{(This should help. However, if this solution is not working on your computer, you need to uninstall VirtualBox, remove all the leftovers, and reinstall it.)}

相关阅读^{(Related read)}：VirtualBox 无法为虚拟机打开会话^{(VirtualBox Failed to open session for the virtual machine)}。

VirtualBox failed to register and open Hard Disk image file

If you arе trying to open an exiѕting disk image fіle but VirtualBox an error meѕsagе UUID already exists, here is what you can do to fix this problem. This problem appears only when users try to import an old disk image file to run a virtual machine with VirtualBox. Otherwise, if you create a virtual machine from scratch with VirtualBox, you will not get this error message. The whole error message looks something like this-

Failed to open the hard disk file [a random .vdi file location]. Cannot register the hard disk ‘.vdi file path’ {Virtual-Disk-UUID} because a hard disk ‘new-vdi-file-path.vdi’ with UUID {Virtual-Disk-UUID} already exists.

VirtualBox failed to register & open Hard Disk image file

If you want to solve this duplicate UUID error in VirtualBox, try these suggestions.

You face this problem only when you VirtualBox detects duplicate UUID or disk image file. Therefore, to fix this problem, you need to remove the existing disk image file.

Open VirtualBox and go to File > Virtual Media Manager.

Select the virtual disk file from the list and click the Release button.

Again, select the virtual disk file and click the Remove button.

Click the close button on Virtual Media Manager window.

Select the virtual machine and click the Settings button.

Switch to Storage section, and click the plus sign to add the virtual disk file.

On the popup menu, select Choose existing disk option and select the disk file (.vdi).

Save your changes and try to start your virtual machine.

This should help. However, if this solution is not working on your computer, you need to uninstall VirtualBox, remove all the leftovers, and reinstall it.

Related read: VirtualBox Failed to open session for the virtual machine.

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