Im getting the below when trying to start my ups server. Its a slave for an unraid machine running nut as master, there is another unraid box as slave that is working without issue Sep 16 21:34:35 EpycVault…com systemd[1]: nut-driver@SRT3000RMXLT.service: Scheduled restart job, restart counter is a…

It’s not very clear that this is a TrueNAS issue from your post. What version of TrueNAS? What model of APC Network UPS (is it using an add-in network card?)? Can you start by posting a screenshot of the TrueNAS configuration page for the UPS service? And you get that message on the console when…

Sure. Version: Dragonfish-24.04.2.2 APC: SRT3000RMXLT with a AP9641 network card 3 This is a slave node, master is at 192.168.254.10 and another slave is at 192.168.254.18, both of these are unraid Images below. It appears that by running the command manually I can establish a connection. [ima…

Thanks for the comprehensive response. Regret that I’m a Core guy and cannot help on this Scale issue - hopefully someone with appropriate Scale knowledge will be able to chip in.

@iX_Resources I am unable to make a new topic, and cannot DM you either. Can you help me with that?

FWIW, I had a NUT server running on a Raspberry Pi with the TrueNAS and other Pi’s acting as slaves. It worked out so not-well when we had a power outage that I made the TrueNAS the NUT server. For whatever reason, this NUT stuff is far more finicky than it should be. I never could get the Pi’s to…

I can’t help much, but I don’t think any nut-driver service needs to be running if you are running NUT as a slave in Scale.

Just to reply here, I was able to get this working for a networked APC UPS. Unfortunately there is no way in the GUI to validate that its connecting properly, but running the command manually and getting an output is supposed to be a success. I run my main NUT server on an unraid box, and was able …

If you need a temporary fix for the netdata issue, try this: [image] TrueNAS SCALE - UPS service spams logs in "netclient" mode TrueNAS General For anyone that is interested, I’ve documented a fix for Slave UPS in 24.10 - this should work until an upstream fix arrives, if…

NUT Issues with APC Network UPS Slave

TrueNAS General

MilhouseVH January 19, 2025, 2:52am 10

If you need a temporary fix for the netdata issue, try this:

Topic		Replies	Views
WebUI UPS Service Configuration Issue (bug?) TrueNAS General SCALE	2	95	December 1, 2025
TrueNAS SCALE - UPS service spams logs in "netclient" mode TrueNAS General SCALE	11	829	September 4, 2026
UPS Ippon Back Power Pro II 500 TrueNAS General	12	284	April 24, 2025
Error when setting up TrueNAS as UPS slave TrueNAS General SCALE	4	503	October 9, 2025
UPS found, but does not show any data or alert TrueNAS General SCALE , UPS	24	718	June 4, 2026

NUT Issues with APC Network UPS Slave

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