Question: how to configure ntp server in windows 2012 r2 step by step group policy?
Answer: Configure NTP Server for Time Sync. Right-click Windows icon and open [run] and input "gpedit. msc" like follows. Select [Administrative template] - [System] - [Windows Time Service] [Time Providers] on the left Pane, and Open [Enable Windows NTP Server] on the right Pane.