Windows 7 system time synchronization frequency

By default, the Windows 7 system Synchronizes time automatically once a week. For those who have strict requirements on time, the frequency is too low. In this regard, the author provides two methods to adjust the time synchronization frequency of Windows7 system. Under www.2cto.com by default, Windows 7 automatically synchronizes time every week. For those who have strict requirements on time, the frequency is too low. In this regard, the author provides two methods to adjust the time synchronization frequency of Windows7 system. Method 1: adjust the time synchronization frequency of Windows 7 system using the registry method. This method achieves synchronization by modifying the key value in the registry. Registry Key Value: HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ W32Time \ TimeProviders \ NtpClient www.2cto.com modify the two key values: SpecialPollInterval changed from 604800 to 86400. This key value indicates the time interval in seconds. The original 7 days is 7*24*3600 = 604800 seconds. A day is 24*3600 = 86400 seconds. Create a New DWORD Value named "SpecialInterval" and set it to Step 1 to restart the Windows Times service to check whether the setting is valid: