You can access the Device Manager from the Control Panel.
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It will be located in the System and Security section if you are using Category View. Expand the Network Adapters section. In your Device Manager, you will see a list of all of the hardware installed on your computer. These are sorted into categories. Expand the Network Adapters section to see all of your installed network adapters.
If you are not sure which adapter you are using, see Step 1 of the second method to find your device's Description. Right-click on your adapter. Select Properties from the menu to open the network adapter's Properties window.
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Click the Advanced tab. Highlight it and you will see a "Value" field on the right. Click the radio button to enable the "Value" field. Not all adapters can be changed this way.
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If you can't find either of these entries, you will need to use one of the other methods in this article. Enter your new MAC address. MAC addresses are digit values, and should be entered without any dashes or colons. For example, if you want to make the MAC address "2A: Reboot your computer to enable the changes. You can also disable and re-enable your adapter within Windows for the change to become effective without rebooting.
Check that the changes took effect. It should be your new MAC address. Method 2.
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Find your network adapter's ID information. In order to easily identify your network adapter in the Windows Registry, you'll want to gather some basic information about it through the Command Prompt. Note the Description and Physical Address for the active network device. Ignore devices that aren't active Media Disconnected. Type net config rdr and press Enter. Open the Registry Editor. This will open the Registry Editor, which will allow you to change the settings for your network card.
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.
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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. This requirement has been observed as far back as Windows XP and is formatted as: Should I do a system backup? Protect Personal and Individual Privacy. Some companies track users via their MAC Addresses In addition, there are more and more Wi-Fi Wireless connections available these days, and Wireless network security and privacy is all about MAC Addresses Wireless Access Points. Authorization to perform these tests must be obtained from the system owner s.
If Stand-by systems should be put online, NO arp table refresh is necessary, which eliminates extra downtime. Build High-Availability solutions. For example, some firewalls that run on multi-port NIC's i. Troubleshoot Network problems. Arp Tables, Routering, Switching, However, you are responsible to comply with the software vendor's licensing agreement. You need to check with your ISP and make sure you are not violating any service agreements.
After the driver confirms that there's a valid MAC address specified in the registry key, the driver then programs the MAC address to its hardware registers to override the burn-in MAC address. If you do that, you will create a lot of problems. You can check out the Multicast MAC addresses at http: Getting Started. It will be less risk and it will make your life a lot easier.
Make sure you read through the steps first. If my explanation does not make sense to you, please use SMAC. Before we start: SMAC is developed based on this research article, and it has many functionalities. Method 1: If the changes are not materialized, then use the second method. If successful, reboot your systems.
Method 2: This method requires some knowledge on the Windows Registry. Also, make sure you have a good backup of your registry. Record the Description for the NIC you want to change. See figure 2. To do this. Keep this file in a safe place.
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Double click on it to expand the tree. The subkeys are 4-digit numbers, which represent particular network adapters.
You should see it starts with , then , , and so on. See figure 3. Figure 3. Go through each subkey that starts with The DriveDesc should match the Description you recorded from step a. If there is no match, then move on to , , , and so on, until you find the one you want. Usually contains the first NIC you installed on the computer. In this demonstration, is the NIC I selected. Once you selected the subkey i. If " NetworkAddress " keyword does not exist, then create this new keyword: In the Add Value window, enter the following value then click OK.
See figure 4. Value Name: