The vSAN witness appliance includes two preconfigured network adapters. You must change the configuration of the second adapter so that the appliance can connect to the vSAN network.


  1. Navigate to the virtual appliance that contains the witness host.
  2. Right-click the appliance and select Edit Settings.
  3. On the Virtual Hardware tab, expand the second Network adapter.
  4. From the drop-down menu, select the vSAN port group and click OK.