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Configuring Windows 2000 and Windows XP to use NIST Time Servers Software

Before changing anything, make note of its initial state so that you can return to these settings later, if you wish. Clicking on the Start or Stop buttons has the same effect as the stop and start commands described above. You may also change the Startup Type to Automatic if appropriate. • You may not see effects of this configuration change immediately. If the local computer clock is determined to be set too far ahead (into the future), but by less than three minutes, Windows will bring the clock into gradual (rather than sudden) adjustment. [Of course, you can force a rapid adjustment by ensuring that the local time is off by more than three minutes before (re)starting w32time.]

• To disable the use of any external NTP server (to return to the original configuration), enter this command (i.e., without any colon or named server): net time /setsntp • To query which external NTP server, if any, w32time will use when it next (re)starts: net time /querysntp • Consult the White Paper from Microsoft on the Windows Time Service for complete information on w32time commands.

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