On your host, the hardware acceleration for block storage devices is enabled by default. You can use the vSphere Client advanced settings to disable the hardware acceleration operations.

About this task

As with any advanced settings, before you disable the hardware acceleration, consult with the VMware support team.


  1. In the vSphere Client inventory panel, select the host.
  2. Click the Configuration tab, and click Advanced Settings under Software.
  3. Change the value for any of the options to 0 (disabled):
    • VMFS3.HardwareAcceleratedLocking

    • DataMover.HardwareAcceleratedMove

    • DataMover.HardwareAcceleratedInit