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Mac address keeps changing

HP Recommended
HP Probook 450 G6
Microsoft Windows 10 (64-bit)

My IP addresses are distributed by my router (DHCP), based on Mac address of the device. This way, I can block ports, services and sites for my son and redirect ports to certain computers and NAS devices.


Recently, I found out that my laptop, an HP Probook 450 G6, keeps changing its IP address. After some research I found out that this is because my Mac address keeps changing. Although in the Windows setting for Wifi, I turned OFF the use of random hardware adresses, the laptop keeps using new Mac adresses over and over again. What can I do to use one (the real??) Mac address to identify my laptop?

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