In many scenarios there's a possibility that our Support Team is going to ask you to confirm NTP configuration on your host.


This is a quick guide on how to confirm NTP settings on your ESXi hypervisor host


Step 1: Verify Date and Time settings from SynetoOS Cli

  • Connect to SynetoOS CLI using SSH

  • After login as root insert the following input to gather appliance time settings

    date

  • If the output of the above is not correct you can fix it with the following

    (Feel free to replace the server address as needed)

    ntpdate 0.it.pool.ntp.org

  • Date must be correctly set in both SynetoOS and ESXI


Step 2: Access ESXi Web Gui

 

Step 3: Go to Time & Date management tab

  • From your Host> Manage menù go to System and open the Time & Date panel

Step 4: Confirm NTP service is running

  • On the Time & Date panel you should see the NTP services with status Running
  • NTP configuration is required  on the hypervisor set with a local server address

Step 5: If Service si not running

  • Be sure the NTP service is enable


While trying to start the NTP service you could find the following error:

Update Date Time Config
Key
haTask-ha-host-vim.host.DateTimeSystem.updateConfig-4035471
Description
Update the date and time on the host
State
Failed - Cannot change the host configuration.


  • To fix the above error, check and confirm your DNS configurations

  • If DNS settings are correct but issue remains, proceed to connect on to ESXCLi through SSH and insert the following 
    /etc/init.d/ntpd status
    /etc/init.d/ntpd start

Step 6: Add NTP Local Server

  • In your Time & Date panel click on Edit NTP settings
  • Configure your NTP local Server Address  and enable the protocol