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Use an Existing Virtual Machine and Upgrade the Virtual Hardware

Use an Existing Virtual Machine and Upgrade the Virtual Hardware

If you use an existing virtual machine and upgrade the virtual hardware, you gain access to new features, but the process is one-way - you cannot reverse it.

Start by using an existing configuration file (.vmx) and virtual disk (.vmdk or .dsk).

Upgrade VMware Tools to the new version, following the instructions for your guest operating system in Installing VMware Tools. You should not remove the older version of VMware Tools before installing the new version.

Upgrade the virtual hardware so you can take advantage of improved sound quality, support for taking a snapshot while the virtual machine is running and improved virtual disk formats.

Note: If you are upgrading a virtual machine that runs from a physical disk, rather than a virtual disk, you may see the following error message while VMware Workstation is upgrading the virtual hardware: "Unable to upgrade <drivename>. One of the supplied parameters is invalid." You may safely click OK to continue the upgrade process.

Note: When you update the virtual hardware in a Windows XP or Windows Server 2003 virtual machine, the Microsoft product activation feature requires you to reactivate the guest operating system.

Windows hosts: At the time you install VMware Workstation 4, the installer offers to convert virtual disk .dsk filenames to use the .vmdk extension introduced with version 3. If you still have virtual disks using the .dsk extension and if you are storing virtual disk files on a Windows XP or Windows Server 2003 host, it is especially important that you allow VMware Workstation to make this change in order to avoid conflicts with the Windows XP or Windows Server 2003 System Restore feature. The .vmdk extension can be used for virtual disks under any VMware product. VMware Workstation 4 automatically updates references to the virtual disk files in configuration files on the host computer. If you are using the same virtual disk file from any other computer, you need to update the configuration files with the new filename. For details, see Updating Filenames for Virtual Disks Created with Earlier VMware Products.

Linux hosts: The first time you run a virtual machine after installing VMware Workstation 4, Workstation offers to convert virtual disk .dsk filenames to use the .vmdk extension introduced with version 3. If you still have virtual disks using the .dsk extension and if you are storing virtual disk files on a Windows XP or Windows Server 2003 host, it is especially important that you allow VMware Workstation to make this change in order to avoid conflicts with the Windows XP or Windows Server 2003 System Restore feature. The .vmdk extension can be used for virtual disks under any VMware product. VMware Workstation 4 automatically updates references to the virtual disk files in configuration files on the host computer. If you are using the same virtual disk file from any other computer, you need to update the configuration files with the new filename. For details, see Updating Filenames for Virtual Disks Created with Earlier VMware Products.

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