• Ntp
• Windows

Ntp/Windows time

• Links: TimeSyncNTP , https://blog.foldersecurityviewer.com/how-to-configure-ntp-server-on-windows-server-2019/

• NTP uses UDP port 123.

• Enabeling ntp in windows registry

  Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\w32time\TimeProviders\NtpServer" -Name "Enabled" -Value 1
  Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\services\W32Time\Config" -Name "AnnounceFlags" -Value 5 
  Restart-Service w32Time

• Other windows ntp/time commands

  w32tm /query /configuration to check and shows the NTP server configuration.
  w32tm /query /peers for checking the list of NTP servers configured alongside their configuration status
  w32tm /resync /nowait to force-synchronize time with your NTP server.
  w32tm /query /source to show the source of the time.
  w32tm /query /status to reveal NTP time service status.

• Looking at accuracy of time

  w32tm /stripchart /computer:<server-name>