IGEL OS devices shown as offline in UMS while they are actually online?


I have a few devices which are shown as offline in UMS while they are actually online and can be reached from UMS (Send Message, Reboot). In the information tool there’s a green ✔️ for UMS server. The device is on the same network as the UMS, so no firewall is active. What can cause this?

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If you ping the devices from UMS, which network latency (ping response time) do you get?


Like 2ms.

Now I rebooted it and it’s online. But I have some machines that are nearly never shown as online.


UDP 30005 from UMS to endpoint not filtered by an AV, Switch DoS or Software Firewall?


No, I don’t think so. I was happy to have a device right on front of me on my desk so I can do some experimentation. 😉 But now it’s online… And the other devices are in use. 🙂

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