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TechnitiumMacAddressChanger

Technitium MAC Address Changer

Posted by ClifNotes, Apr 2008, permalink Misc. Networking Tools

 

Do you know what a MAC address is?

 

My guess would be that most people using a PC have a MAC address even if they don't know it. The MAC address is a unique 10 digit code that is hard wired into every NIC (network interface card). The NIC is the card in your PC that allows you to communicate with a network and the internet. If your PC connects to the internet using a dial-up modem you may not have a NIC, but most PCs today come from the factory with a NIC already installed. Today's laptops typically have a wireless NIC card in them that allows them to connect to WIFI networks.

 

Why do you need to change it?

 

I can think of two main reasons why you might have to change a MAC address.

  1. A network needs to see a specific MAC address (other than yours) in order to allow you access.
  2. A software application is looking for a specific MAC address (other than yours) to see if it resides on a licensed PC.

I've run into two situations where it would have been handy to change the MAC address, but I had no idea that it was even possible. Now that I've found this cool freeware app, I will be ready the next time it happens.

 

 

 

Quote from the website

Technitium MAC Address Changer allows you to change Media Access Control (MAC) Address of your Network Interface Card (NIC) irrespective to your NIC manufacturer or its driver. It has a very simple user interface and provides ample information regarding each NIC in the machine.

 

There are some famous, commercial tools available in the market for US$19.99 to as much as US$1500 (!), but Technitium MAC Address Changer is available for FREE.

http://www.technitium.com/tmac/index.html