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How to Determine the MAC Address of a Network Adapter in Windows

Summary: A network adapter, also called a Network Interface Card or NIC, is equipped with a unique identifier known as the Media Access Control (MAC) address. Read this article to find out how to determine the MAC address of your NIC. ...

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This article describes how to find the Media Access Control (MAC) address of a network adapter in Windows.


Table of Contents:

  1. Media Access Control Address
  2. Locating the MAC Address of a Network Adapter in Windows

Issue 1: Media Access Control Address

A network adapter, also called a Network Interface Card or NIC, is equipped with a unique identifier known as the Media Access Control (MAC) address. This address can be used by routers and switches to control access to a network. You may find it useful in some situations to determine the MAC address of a NIC in Windows. The instructions in this article explain how to do so.

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Issue 2: Locating the MAC Address of a NIC in Windows

To locate the MAC address of a NIC in Windows, follow these steps:

  1. Open a command prompt. (Click Start, Run, Type CMD, then right-click CMD.exe on the menu, and click Run as Administrator)
    SLN285183_en_US__1CMD
  2. At the prompt in the open command Window: Type getmac /v: The MAC address, labeled "Physical Address," will be displayed in the form xx-xx-xx-xx-xx-xx:

    SLN285183_en_US__21390603809054.getmac
  3. It is also possible to determine the MAC address of a NIC with the ipconfig /all command. Which returns quite a bit of other information as well:

    SLN285183_en_US__31390603848492.ipconfig-all 
  4. When finished, type Exit then press enter to close the command window.
SLN285183_en_US__4icon Note: Many systems have both wired and wireless network interfaces, and each network adapter has a unique MAC address. Be sure to note the addresses of all adapters in the system. Additionally, the MAC address is bound to the NIC; therefore, it changes if the network adapter is replaced.

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Last Published Date

26 Jan 2024

Version

5

Article Type

Solution