NTP Time Synchronization Issue on Start9 Server One. Seeking Assistance

[Alvaro]

StartOS should connect without trouble to NTP servers right out of the box without you having to modify anything on your server.

This is usually a case of a router, firewall or ISP configuration which is blocking these connections in some way.

Here is a very detailed post from our very own @Homer, which clearly explains steps you can follow to find a solution for your case.

Clock sync failure

Hi MaxT. Welcome to the future! To fix the “Clock sync failure” issue on your StartOS dashboard, focus on your router’s configuration as follows: Ensure NTP Traffic is Allowed: Verify that UDP port 123 (used by NTP) is not blocked by your router’s firewall. Check the firewall settings and create a rule to allow outbound traffic on this port. Check DNS Configuration: Confirm that OpenDNS servers (208.67.222.222 and 208.67.220.220) are correctly set in your router’s DNS settings. Flush …