To prevent time synchronization issues, configure the NTP service on the vSAN witness host.


  1. In the inventory panel of the vCenter Server Client, select vCenter Server > Datacenter.
  2. Select the vSAN witness host and click the Configure tab.
  3. Configure the NTP client on the vSAN witness host.
    1. In the System section, click Time configuration and click the Edit button.
    2. Select Use Network Time Protocol (enable NTP client).
    3. Configure the following settings and click OK.



      NTP Servers

      NTP server address

      Start NTP Service


      NTP Service Startup Policy

      Start and stop with host