Windows7 system time synchronization frequency

Method 1: The registry method adjusts the frequency of Windows 7 system time synchronization
This method is to achieve synchronization by modifying the key values ​​in the registry. Registry key: HKEY_LOCAL_MACHINE\\\\SYSTEM\\\\CurrentControlSet\\\\Services\\\\W32Time\\\\ TimeProviders\\NtpClient Figure: Windows7 system time synchronization frequency src="http://windows.chinaitlab.com/UploadFiles_3263/201301/20130129065344478.png">

Modify two key values:

SpecialPollInterval changed from 604800 to 86400.

This key value means the time synchronization interval in seconds. The original 7 days is 7*24*3600=604800 seconds.

One day is 24*3600=86400 seconds.

Then create a new DWORD value,

name is “SpecialInterval”, value is 1

Step 3 is to restart the Windows Times service

Check if the settings are valid:

Method 2: Plan the task method to adjust the frequency of Windows 7 system time synchronization

In Windows system, there is a w32tm.exe, which can be synchronized by one parameter of the program. Time:

w32tm /resync