Mac address cannot be updated

[azzi]

Hi
I have a new Mag 250 to replace the old one,
I am trying several time to update my Mac address through the rocket checker with no sucess.
is there any a special procedure to change it (every time it says Mac address can not be updated) Why!...
Tks for yr coop...

[Marley]

did you try and put all zero first then do mac you want

[azzi]

Yes ..I did several times writting zero's, it always come with (Mac address can not be updated)..
PLS.....another solution...TKS

[Bkman2020]

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[Marley]

zero the old mac address you had first then load new one

[Go Vegan]

do a reset afterwards.....