To enable the vSAN data communication to both availability zones, configure the witness network on the vSAN witness host in VMware Cloud Foundation.


  1. In a Web browser, log in to vCenter Server by using the vSphere Client.
    Setting Value
    URL https://sfo01m01vc01.sfo01.rainpole.local/ui
    User name administrator@vsphere.local
    Password vsphere_admin_password
  2. In the Hosts and clusters inventory, expand the sfo01w01vc01.sfo01.rainpole.local tree and expand the sfo01-w01dc data center.
  3. Select the sfo03w01vsanw01.sfo01.rainpole.local host, and click the Configure tab.
  4. Under the Networking section, select VMkernel adapters.
  5. Select the vmk1 VMkernel adapter and click Edit.

    The network label of the adapter is witnessPg.

  6. In the vmk1 - edit settings dialog box, click IPv4 settings, configure the settings, and click OK.



    Use static IPv4 settings.


    IPv4 address

    Subnet mask

    Override default gateway for this adapter