Update VirtIO drivers in guest operating systems. Using the latest VirtIO drivers increases performance and stability.
You can update the VirtIO drivers on a Windows virtual machine (VM) by using the Windows Update service.
The cluster must have internet connectivity. Disconnected clusters cannot reach the Windows Update service.
In the Windows Guest operating system, click the Windows key and select Settings.
Navigate to Windows Update → Advanced Options → Optional Updates.
Install all updates from Red Hat, Inc..
Reboot the VM.
On the Windows VM, navigate to the Device Manager.
Select a device.
Select the Driver tab.
Click Driver Details and confirm that the virtio driver details displays the correct version.