Fresh install of TrueNAS-SCALE-25.04.2.3 on a dell optiplex 7040. Ran the install with the optiplex plugged into my router over ethernet and started up. Get the web interface error. I have tried several options on the network settings to no luck. Adding a static IP address doesn’t seem to do anything. The NAS is not visible on my router at all. Any advice?
Was the NIC working before you installed TrueNAS? Have you tried swapping cables or router ports?
Fixed this. Needed to change out my modem from the providers to my own. Then the connection was accepted.