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How can I change my media access control (MAC) address under Windows NT 4.0?
John Savill
November 18, 2001
1 Min Read
A. Each network adapter card has a MAC address, which machines on local subnets use to talk to each other. MAC addresses are usually burned into the adapters during the manufacturing process. To overwrite a network adapter card's default MAC address, perform the following steps:
Start the registry editor (e.g., regedit.exe).
Navigate to HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesParameters.
From the Edit menu, select New - String Value.
Type a name of NetworkAddress, and press Enter.
Double-click the new value, and enter the adapter's new MAC value.
Click OK.
Close the registry editor.
Reboot the machine.
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