Prevent time synchronization problems by configuring the NTP service on the vSAN witness host in VMware Cloud Foundation. Enable SSH to add static routes to the networks of Availability Zone 1 and Availability Zone 2.


  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 and expand the sfo01-w01dc data center.
  3. Select the sfo03w01vsanw01.sfo01.rainpole.local host and click the Configure tab.
  4. Configure the NTP client on the vSAN witness host.
    1. Under the System section, click Time configuration and click the Edit button.

      The Edit time configuration dialog box opens.

    2. Configure the settings and click OK.



      Use Network Time Protocol (enable NTP client)


      NTP Servers

      ntp.lax01.rainpole.local, ntp.sfo01.rainpole.local

      Start NTP Service


      NTP Service Startup Policy

      Start and stop with host

  5. Enable the SSH service on the vSAN witness host.
    1. Under the System section, select Services and select SSH.
    2. Click the Edit startup policy button.
    3. On the Edit startup policy page, select Start and stop with host and click OK.