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Upgrade Virtual Machine Hardware Version

Upgrade Virtual Machine Hardware Version

Just like a traditional server, it is very important to ensure your virtual machines have the latest hardware drivers installed. Each time new hardware versions are released, they contain new and updated device drivers that improve the stability and performance of your virtual machines. IBM recommends keeping your hardware versions current at all times.


  • The virtual machine must be powered off to upgrade the hardware version.
  • VMware Tools must be installed and current on the virtual machine to upgrade hardware. If VMware Tools are not installed or not current, Install or Update VMware Tools.
  • When upgrading the hardware version, your virtual machines will reboot multiple times, causing them to be off line for a period of time.
  • Record the current IP configuration of the guest operating system before starting the upgrade process. The new hardware version can contain changes to the network adapter's virtual hardware which can cause a loss of network configuration. If this occurs, you will need to Connect to a Server and restore the correct network configuration.

To upgrade the virtual machine hardware:

  1. Select a virtual machine.
  2. Expand the Selected pane.
  3. Click Upgrade.
  4. The Confirmation dialog appears.

  5. Click OK.

You can also upgrade the virtual machine hardware from the context menu.

  1. Right-click a virtual machine.
  2. Click Upgrade.
  3. The Confirmation dialog appears.

  4. Click OK.

Note: VMware advises that all NIC settings can revert to default upon completion of the hardware upgrade because the virtual NIC is moved to a different position on the virtual Peripheral Component Interconnect (PCI) bus, which causes the operating system to treat it as a new hardware device. It is most common on Windows virtual machines. VMware discusses the issue at Virtual NIC settings on a Windows guest are lost after a virtual hardware upgrade.

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