Does each computer has a unique identifier?

Hi,
I am trying to write a program which can only install in some computers. Does each computer has a unique identifier?

 

[PaulWeal]

I have 2 approaches:
1. Use conditional if statements (#If). The following is an example of what I know is supported:

#If Mac Then
'. Place exclusively Mac statements here.
#ElseIf Win32 Then
'. Place exclusively 32-bit Windows statements here.
#Else
'. Place other platform statements here.
#End If

2. Use SysInfo control (SysInfo.ocx). Example:
Dim MsgEnd As String
Select Case sysDetectOS.OSPlatform
Case 0
MsgEnd = "Unidentified"
Case 1
MsgEnd = "Windows 95, ver. "& _
CStr(sysDetectOS.OSVersion) & "(" & _
CStr(sysDetectOS.OSBuild) & &quot"
Case 2
MsgEnd = "Windows NT, ver. " & _
CStr(sysDetectOS.OSVersion) & "(" & _
CStr(sysDetectOS.OSBuild) & &quot"
End Select
MsgBox "System: " & MsgEnd
Note: sysDetectOS referenced to a SysInfo object.

 

thanks

 

[IRstuff]

One way to uniquely identify a computer on a network is by its ethernet card MAC address, which is unique by assignment.

TTFN

 

is there a vb function i can use to get this address??

 

[IRstuff]

maybe... this link might have some clues:

http://community.borland.com/article/0,1410,26040,00.html

Also,
ipconfig /all at the cmd prompt will show the physical address of the Ethernet adaptor.

TTFN