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macmacmacr

macrumors regular
Original poster
Dec 23, 2014
152
5
I have noticed that I cannot change the MAC address on my Yosemite 10.10.5 workstation to certain MAc addresses like 35:60:90:19:ef:90.

Does anyone know why this occurs? I know I should be able change the MAC address to any value and this condition seem to occur recently maybe 4 months or so.
 
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