Configuring Network Time Protocol (NTP) on ESX/ESXi 4.1 and ESXi 5.0 hosts using the vSphere Client

To configure NTP on ESX/ESXi 4.1 and ESXi 5.0 hosts:

1. Connect to the ESX/ESXi host using the vSphere Client.
2. Select a host in the inventory.
3. Click the Configuration tab.
4. Click Time Configuration.
5. Click Properties.
6. Click Options.
7. Click NTP Settings.
8. Click Add.
9. Enter the NTP Server name. For example, 0.pool.ntp.org and 1.pool.ntp.org.
10. Click OK.
11. Click the General tab.
12. Click Start automatically under Startup Policy.
13. Click Start and click OK.
14. Click OK to exit.