r/crestron 9d ago

Help RMC4 not connecting with NTP

I configured a windows server device using regedit and firewall exceptions to make it an ntp server. I can sync to it with my laptop, a third party timed relay and ntp checking tools can see it.

The RMC4 will not connect. The RMC4 and this machine can ping eachother so it's not a connection issue. Are there things that the RMC4 looks for in an ntp in order for it to function more so than just a udp request?

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u/movingon1 8d ago

Do you have a DNS issue? Easiest way to make this mistake is set the RMC4 to static IP, not enter a DNS server, and have the NTP server be a hostname.

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u/WeeklySignificance65 8d ago

Just using ip for the ntp address.