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

eWeek, RCR Wireless, Information Week, Business Week, Many More Free Magazines!