Change the Time Synchronization Interval in Windows Vista

Microsoft Windows updates the local time by synchronizing with the time servers on the Internet. Windows connects with the time servers for synchronizing every seven days by default. If you want, you can change this synchronization interval to shorter or longer time interval as you please. Here is how :

Note :You must have administrator level access to perform the following steps.

  1. Press the key combination Windows Logo Key + R to open the Run dialog.
  2. Type regedit.exe in the Run dialog and press Enter.

    Open the Run dialog in Vista

  3. In the Registry Editor, navigate to the following key :
  4. On the right-hand side, you will find a value SpecialPollInterval as shown.

    Change time interval for synchronizing time in Vista

  5. Double-click on SpecialPollInterval to change its value. You can change its value to the number of seconds after which time synchronization takes place. The default value is 7 days (604800 seconds). The value cannot be smaller than 14400 (4 hours).
  6. Restart your computer for the changes to take effect.