geting MAC address by using VB.net 2010

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I have tried to get MAC address of each machine by using the below function in vb.net ,but I just realized that this function doesn't work in windows XP ,,

Function getMacAddress()
       Dim nics() As NetworkInterface = NetworkInterface.GetAllNetworkInterfaces()
       Return nics(1).GetPhysicalAddress.ToString
   End Function

can someone help me what should I do for solving in windows xp as well

Thanks in davnce

Posted 22-Oct-12 22:43pm

sali22

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2 solutions

Solution 3

Could be you forgot the library

VB

Imports System.Net.NetworkInformation

Public Class Form1

    Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
        Dim mac As String
        mac = getMacAddress()
        MessageBox.Show(mac)
    End Sub

    Function getMacAddress()
        Dim nics() As NetworkInterface = NetworkInterface.GetAllNetworkInterfaces()
        Return nics(1).GetPhysicalAddress.ToString
    End Function

End Class

Posted 17-Nov-14 5:15am

luis_123

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OriginalGriff · Accepted Answer · 2012-10-22T23:08:00

I think it does work in XP, I think the problem is that you are accessing the wrong array element:
Try:

VB

Return nics(0).GetPhysicalAddress.ToString

Or better still, loop through the array, and return the first one that is an ethernet adapter and operational.

There is a Tip here that shows the code - it's in C#, but the code is very easy to follow, look at the GetMacAddress method: Retrieving IP and MAC addresses for a LAN[^]