Windows NTP Server Synchronization Solution

The NTP client on the PXE follows the NTP RFC so the PXE rejects any NTP servers whose root dispersion is more than one second. An NTP server with a dispersion of more than one second is considered an inaccurate NTP server by the PXE.

Note: For information on NTP RFC, visit http://tools.ietf.org/html/rfc4330 to refer to the section 5.

Windows NTP servers may have a root dispersion of more than one second, and therefore cannot synchronize with the PXE. When the NTP synchronization issue occurs, change the dispersion settings to resolve it.

  1. Access the registry settings associated with the root dispersion on the Windows NTP server.

    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config

  2. AnnounceFlags must be set to 0x05 or 0x06.
  3. LocalClockDispersion must be set to 0.

See Also

Setting the Date and Time

How to Use the Calendar