The Network Time Protocol (NTP) service can be used to keep the appliance clock accurate. This is important for recording accurate timestamps in the filesystem, and for protocol authentication. The appliance records times using the UTC timezone. The times that are displayed in the BUI use the timezone offset of your browser.
To the right of the BUI screen are times from both the appliance (Server Time) and your browser (Client Time). If the NTP service is not online, the SYNC button can be clicked to set the appliance time to match your client browser time.
If you are sharing filesystems using SMB, the client clocks must be synchronized to within five minutes of the appliance clock to avoid user authentication errors. One way to ensure clock synchronization is to configure the appliance and the SMB clients to use the same NTP server.
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To configure NTP, see the following sections: