Windows XP Tips
Changing The Internet Time Update Synchronisation
 

To change the interval that Windows updates the time using the internet time servers via regedit, navigate to:

1. HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services \W32Time\TimeProviders\NtpClient
2. Select "SpecialPollInterval"
3. Change decimal value from 604800 to a different value in seconds. i.e.: 172800 (2 Days) or 86400 (1 Day) and so on.

We don't recommend changing this unless you are on a broadband connection.

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