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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Synchronize your NTP time using pool.ntp.org: the internet cluster of ntp servers

Posted by jpluimers on 2011/07/15

If you use NTP for syncing your time, then choose pool.ntp.org as your time server:

The pool.ntp.org project is a big virtual cluster of timeservers providing reliable easy to use NTP service for millions of clients.

I use it for instance to synchronize the time on my ESXi servers.

Note: when you run Windows VMs as ESXi guests; let ESXi time-sync them through the VMware tools, and disable Windows’ own time syncing. I didn’t disable it, and my Windows VMs were consistently off by over 30 minutes.

–jeroen

via pool.ntp.org: the internet cluster of ntp servers.

This entry was posted on 2011/07/15 at 06:00 and is filed under *nix, ESXi4, Power User, VMware, Windows, Windows 7, Windows Vista, Windows XP. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

4 Responses to “Synchronize your NTP time using pool.ntp.org: the internet cluster of ntp servers”

  1. Naaman said

    2012/06/23 at 02:22

    VMware’s best practice is to disable time sync with the ESXi host for VM timekeeping – http://kb.vmware.com/kb/1318

    Reply

  2. ruurd said

    2011/07/15 at 06:08

    It is good not to only rely on pool.ntp.org. Some people argue that not all servers in that pool are sufficiently reliable.

    Reply

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