RUT955 - Lost RMS access. Local login shows SN as 000000000 and MAC as FF:FF:FF:FF:FF

Hello
Talked to support a second ago (Marcus I believe), and was asked to create a forum entry.
Have a device which suddenly disappeared from RMS.
When we finally accessed the device, it says under RMS, the device is not registered.
Also Serial Number is Zeros only, MAC address is displayed as FF:FF:FF:FF…
Resetting didn’t help.

Here’s how connection details look.

Case seems similar to this case
RUT950 RMS Issues/Strange MAC address - NETWORKING SOLUTIONS - Teltonika Community

Hello,

As promised during our conversation, I’ve assigned the case to myself. I’ve now sent you some instructions to fill out so we can continue our conversation via e-mails (as I’ll need some sensitive information). In the “ticket ID” section of the form, simply enter 13886, which is this thread’s number.

Thank you,
M.

Perfect! Thank you!!

1 Like

The issue has been resolved by downgrading the firmware to 7.02.5 and updating the information of the device, afterwards upgrading the firmware back to the latest.

Regards,
M.

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