How to change network adapter mac address

In the Control Panel window, search for "network connections" and choose " View network connections" in the search results. Right-click or long tap on the network connection you want to change. Choose Properties in the menu that opens up. In the new Properties window that pops up, select the Advanced tab.

What is a MAC address?

After you install the app, open it. Start the Registry Editor as administrator. Navigate on the left side to the following path:. Underneath this node, you see listed all the network interfaces for your computer. Click on each one and check the information on the right panel to identify the one you need to change. The DriverDesc field is the most likely one to help you pinpoint the right network card. Right-click or long tap on the network card node in the left panel and choose New and then String Value in the menu that pops up.

On the right panel, type in NetworkAddress as the name of the newly added string value. Double click or double tap to open NetworkAddress for editing. Once we have learned the method of changing the MAC address using the Registry Editor , we can now speed up this change using the reg command in the Command Prompt or PowerShell. If you need to switch repeatedly between different MAC addresses on your Windows computer, the command line we describe in this section can be stored in a script file and run to speed up the procedure.

Open Command Prompt or PowerShell as administrator, depending on which app you prefer to use. Before you execute the command in the screenshot below, you need to replace two strings that we have underlined. The first string is associated with the network card that you want to change in Windows Registry. Review the previous section to find out how to get this number from the Registry Editor.

The second string is the new MAC address that you want to be assigned to the network card. Below you find the command in plain text so that you can copy and paste it. Changing the MAC address is a rare intervention. The security behind the MAC address is quite poor because as you have seen, it is easy to change it to any value you want. Keep in mind, though, that you cannot have two devices with the same MAC address active at the same time in a network. Before closing this tutorial, tell us why you want to change your MAC address? We are curious to know the situations in which our readers need to perform this operation.

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What MAC Addresses Are Used For

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However, some do. Making incorrect changes to the registry can cause your system to malfunction.

Navigate to the registry key. Expand it by clicking the arrow. Find your adapter. There will be several folders labeled "", "", etc. Open each of these and compare the DriverDesc field to the Description you noted in the first step. Right-click on the folder that matches your device.

For example, if the "" folder matches your device, right-click on the folder. Name the new value "NetworkAddress". Double-click the new Network Address entry. In the "Value data" field, enter your new MAC address.

Ensure that the MAC address is formatted properly. Some adapters especially Wi-Fi cards are unforgiving of MAC addresses changes if the first octet's 2nd half isn't a 2,6,A,E or begins with a zero. Should I do a system backup? There are many MAC addresses in the world, so the chances of having the same one on the same network are slim. Don't worry about it unless you have changed two devices to that MAC address.

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You don't have to do a backup because it's something that will reset if you delete the entry and then restart your computer. Yes No. Not Helpful 8 Helpful Allan Cramer. No, the MAC address is unique to each device. I'm not even sure you can change Apple MAC addresses, but if you can, you'll have to do that with each one. Not Helpful 5 Helpful 8. If I delete the new registry entry I create, will the original Mac address be used again? No, the Mac address that you set is permanent and you'll have to do a hard reset to get the original address back.

Not Helpful 3 Helpful 1. Include your email address to get a message when this question is answered.

Already answered Not a question Bad question Other. By using this service, some information may be shared with YouTube. Warnings Don't use a MAC-address which is already in use, as this will prevent one of the machines from connecting to the network. Edit Related wikiHows.

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About This Article. Co-authors: Updated: March 29, A Anonymous Aug 31, Rated this article:.