Skip to content
English
Submit Support Ticket Go to Customer Portal Sign in
  • There are no suggestions because the search field is empty.

Configuring a Windows PC as an NTP Server

Configure a Windows PC as an NTP server to synchronise Q.series controller clocks using the Network Time Protocol over a local network.

The Network Time Protocol (NTP) is a standard for synchronising system clocks over packet-based networks. The following instructions describe how to configure a local PC as an NTP server to synchronise Q.series controllers. These instructions apply to Windows 10 (32-bit and 64-bit) and Windows 11 (64-bit).

  1. Stop the Windows Time service via: Start → Control Panel → System and Security → Windows Tools → Services.

  2. Open the Registry Editor via Start → Run… → regedit and navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\TimeProviders\NtpServer and set the Enabled value to 1.

  3. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\W32Time\Config and set the AnnounceFlags value to 5.

  4. Start the Windows Time service and set the Startup type to Automatic.

 

A Windows PC configured as an NTP server communicates via UDP on port 123. If a firewall is enabled, it must allow inbound traffic on port 123, as the NTP service requires external request messages.