Changing the MAC address in W2K and XP

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Mehod 1

This is depending on the type of Network Interface Card (NIC) you have. If you have a card that doesn’t support Clone MAC address, then you have to go to second method.

1. Go to Start->Settings->Control Panel and double click on Network and Dial-up Connections.

2. Right click on the NIC you want to change the MAC address and click on properties.

3. Under “General” tab, click on the “Configure” button

4. Click on “Advanced” tab

5. Under “Property section”, you should see an item called “Network Address” or "Locally Administered Address", click on it. (See figure below as an example)

6. On the right side, under “Value”, type in the New MAC address you want to assign to your NIC. Usually this value is entered without the “-“ between the MAC address numbers.

7. Goto command prompt and type in “ipconfig /all” or “net config rdr” to verify the changes. If the changes are not materialized, then use the second method.

8. If successful, reboot your systems.

Method 2

This method requires some knowledge on the Windows Registry. If you are not familiar with Windows Registry, just use the simple-to-use SMAC MAC Address Changer to change the MAC addresses (the easiest and safest way,) or consult with a technical person before you attempt on the following steps. Also, make sure you have a good backup of your registry.

Go to method 2

Reference:

• http://www.klcconsulting.net/change_mac_w2k.htm
• http://www.nthelp.com/NT6/change_mac_w2k.htm