Recently equipped with a ntp server, from the Internet to find the setting method, you need to configure the server with a terminal.
Once configured, the terminal can not always be synchronized with the server, look for a lot of reasons.
After excluding the possibility of configuration error, firewall interception, still can not find the cause of the problem.
A later addition to the device configuration, the ntp client still does not work.
At this unexpected use of office machines ntp server synchronization, and find some success, it will not be taken into account ntp client configuration problems, so he took before configuring the client's clear, then use Windows comes with time and date only synchronize, the result was successful.