Hi,
You may go through the registry. The network adapter configurations are in subkeys under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class{4D36E972-E325-11CE-BFC1-08002BE10318}
and the MAC address is configured in value "NetworkAddress".
You could refer to this link
https://social.technet.microsoft.com/Forums/exchange/en-US/d4d8e555-3aa4-487b-aa1b-524c3fe1ae57/how-do-i-set-the-quotrandom-hardware-addressesquot-setting-in-wifi-settings-via-gpo?forum=win10itpronetworking
Best Regards,
Ian
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