I need a VBScript to find the speed and duplex setting on all installed Network Interface Cards on a Windows Server 2008

I need a VBScript to find the speed and duplex setting on all installed Network Interface Cards on a Windows Server 2008
matthew phungAsked:
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zalazarCommented:
The speed and duplex settings are in the Windows registry but the exact location of all parameters is driver dependent.
As most drivers use the same structure you could try to use the following VBScript I created.
Please execute the script with "cscript.exe"

'*******************************************************************************
'* Get Speed/Duplex settings
'* Version 1.00
'* Zalazar
'*******************************************************************************
Const HKEY_LOCAL_MACHINE = &H80000002

Dim fso, WshNetwork, WshShell, objReg

Set fso = CreateObject("Scripting.FileSystemObject")
Set WshNetwork = WScript.CreateObject("WScript.Network")
Set WshShell = WScript.CreateObject("WScript.Shell")
Set objReg = GetObject("winmgmts:{impersonationLevel=impersonate}!\\.\root\default:StdRegProv")

'------------------------------------------------------------------------
' --------  MAIN  --------
'------------------------------------------------------------------------
call GetSpeedDuplex()

Wscript.Quit 0

'------------------------------------------------------------------------
' --------  SUBS  --------
'------------------------------------------------------------------------
Sub GetSpeedDuplex()
  On Error Resume Next
  Dim strKeyName
  Dim aSubkeys, sSubkey, strKeyPath
  Dim sComponentId, sSpeedDuplexSetting, sDriverDesc, sSpeedDuplexDesc

  Wscript.echo "Reading NIC settings"
  strKeyName = "SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002BE10318}"
  objReg.EnumKey HKEY_LOCAL_MACHINE, strKeyName, aSubkeys
  If IsArray(aSubkeys) = False Then Exit Sub

  For Each sSubkey In aSubkeys
    sComponentId = ""
    sSpeedDuplexSetting = ""
    sDriverDesc = ""
    sSpeedDuplexDesc = ""

    strKeyPath = strKeyName & "\" & sSubkey
    sComponentId = WshShell.RegRead("HKEY_LOCAL_MACHINE\" & strKeyPath & "\ComponentId")
    If LCase(Left(sComponentId, 4)) = "pci\" Then
      sSpeedDuplexSetting = WshShell.RegRead("HKEY_LOCAL_MACHINE\" & strKeyPath & "\*SpeedDuplex")
      sDriverDesc = WshShell.RegRead("HKEY_LOCAL_MACHINE\" & strKeyPath & "\DriverDesc")
      sSpeedDuplexDesc = WshShell.RegRead("HKEY_LOCAL_MACHINE\" & strKeyPath & "\Ndi\Params\*SpeedDuplex\enum\" & sSpeedDuplexSetting)
      Wscript.echo sDriverDesc & "|" & sSpeedDuplexDesc & "|" & sSpeedDuplexSetting
    End If
  Next
End Sub

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matthew phungAuthor Commented:
Thank you for sharing this script.  It is very helpful. I will compile a list of settings based on the brand and model of the cards. I will share the list when I am done with it. Anyone who would like to contribute to the list of driver settings may post it here and I will include it in my complied list.
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zalazarCommented:
You're welcome. Thanks in advance for creating the list and sharing it.
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Windows Server 2008

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