To change the interval that Windows updates the time using the internet time servers navigate to:
1. HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\W32Time\Tim eProviders\NtpClient
2. Select "SpecialPollInterval"
3. Change decimal value from 604800 to some other
value in seconds. EX: 172800 (2 days)
Originally posted by Taylor Spencer