Not directly; because you're trying to manipulate machine settings using a user variable.
Your best bet is to use a log in script for the account in question which applies machine settings on a user basis.
It's not the easiest thing to do; here's a complex example :
'######################################
'# getComputer returns this computers
'# name.
Function getComputer()
   Set WSHNetwork = WScript.CreateObject("WScript.Network")
   strComputer = ""
   While strComputer = ""
      strComputer = WSHNetwork.ComputerName
   Wend
   getComputer = strComputer
End Function
'######################################
'# getUser returns the current user.
Function getUser()
   Set WSHNetwork = WScript.CreateObject("WScript.Network")
   strUser = ""
   While strUser = ""
      strUser = WSHNetwork.UserName
   Wend
   getUser = strUser
End Function
'######################################
'# getComputerADsPath returns the AD
'# path of the current computer.
Function getComputerADsPath()
   computer = getComputer()
   Set objConnection = CreateObject("ADODB.Connection")
   objConnection.Open "Provider=ADsDSOObject;"
   Set objCommand = CreateObject("ADODB.Command")
   objCommand.ActiveConnection = objConnection
   objCommand.CommandText = _
      "
;" & _
      "(&(objectCategory=Computer)(cn=" & computer & "));" & _
      "ADsPath;subtree"
   Set objRecordSet = objCommand.Execute
   While Not objRecordSet.EOF
      strADsPath = objRecordSet.Fields("ADsPath")
      Set objComputer = GetObject(strADsPath)
      objRecordSet.MoveNext
   Wend
   objConnection.Close
   getComputerADsPath = strADsPath
End Function
'######################################
'# regTest returns the result of a
'# regular expression pattern test.
Function regTest(pattern, sStr)
   Dim regEx
   Set regEx = New RegExp
   regEx.Pattern = pattern
   regEx.IgnoreCase = True
   regTest = regEx.Test(sStr)
End Function
'######################################
'# mapDrive maps a network share to a
'# drive letter.
Sub mapDrive(drive, share)
   Set Net = CreateObject("WScript.Network")
   Set colDrv = Net.EnumNetworkDrives
   For i = 0 To colDrv.Count - 1 Step 2
      If (colDrv(i) = drive) Then
         Net.RemoveNetworkDrive drive
      End If
   Next
   Net.MapNetworkDrive drive, share
End Sub
'######################################
'# mkShortcut creates a shortcut on the
'# Desktop.
Sub mkShortcut(lnkName, path, param)
   Set wsShell = CreateObject("WScript.Shell")
   targetFolder = wsShell.SpecialFolders("Desktop")
   Set shortCut = wsShell.CreateShortcut(targetFolder & _
      "\" & lnkName & ".lnk")
   shortCut.TargetPath = path
   shortCut.Arguments = param
   shortCut.Save
End Sub
'######################################
'# isMember returns true if user is
'# member of the group.
Function isMember(strGroup, strUser, strDomain)
   Dim objMember, objGroup
   On Error Resume Next
   ' Initialize vars
   ' Get reference to scanned group, if it can connect, it is a group
   Set objGroup = GetObject("WinNT://" & strDomain & "/" & _
      strGroup & ",group")
    
   ' Is the given scanned group really a group?
   ' Check error of the line above
   If Err.Number = 0 Then
      ' Is the searched user a direct member of the group?
      ' No recursive checking here
      isMember = objGroup.isMember("WinNT://" & strDomain & "/" & _
         strUser)
      If Not isMember Then
         ' Search the nesting groups
         For Each objMember In objGroup.Members
            ' Recursive funtion call
            isMember = isMember(objMember.Name, strUser, _
               strDomain)
            ' Membership found, exit loop
            If isMember Then Exit For
         Next ' For Each objMember In
            'objGroup.Members
      End If ' If Not IsMember 
   Else ' If Err.Number = 0
      ' Can't search in a user -> no group
      isMember = False
   End If ' If Err.Number = 0
   On Error Goto 0
End Function
'######################################
'# setUserSettings set user settings in
'# the registry database
Sub setUserSettings()
    HKEY_CURRENT_USER = &H80000001
    strComputer = "."
    Set objReg = GetObject("winmgmts:\\" & strComputer & "\root\default:StdRegProv")
    ' Slå screen saver fra.
    strKeyPath = "Control Panel\Desktop"
    objReg.CreateKey HKEY_CURRENT_USER, strKeyPath
    ValueName = "ScreenSaveActive"
    strValue = "0"
    objReg.SetStringValue HKEY_CURRENT_USER, strKeyPath, ValueName, strValue
    ' Sæt start og search page i Internet Explorer
    strKeyPath = "Software\Microsoft\Internet\Explorer\Main"
    objReg.CreateKey HKEY_CURRENT_USER, strKeyPath
    objReg.SetStringValue HKEY_CURRENT_USER, strKeyPath, "Start Page", "http://www.kk.dk"
    objReg.SetStringValue HKEY_CURRENT_USER, strKeyPath, "Search Page", "http://www.kk.dk"
End Sub
'####################################################################
'# Main
'######################################
'# Undersøg hvilken OU denne computer
'# er placeret i.
computerPath = getComputerADsPath
' Generer WScript.Shell objekt til senere brug.
Set wsShell = CreateObject("WScript.Shell")
'######################################
'# Maskinerne i byrådssalen.
If regTest("ou=Klienter i salen,ou=Byrådssalen", computerPath) Then
    ' Map Minolta netværks printeren på Loggia.
    Set Net = CreateObject("WScript.Network")
    Net.AddWindowsPrinterConnecti on "\\okfprt1\brsal_minolta"
    Net.SetDefaultPrinter "\\okfprt1\brsal_minolta"
    ' Slet alle filer på skrive bordet.
    targetFolder = wsShell.SpecialFolders("Desktop")
    Set objFSO = CreateObject("Scripting.FileSystemObject")
    objFSO.DeleteFile(targetFolder & "\*"), True
    ' Ret registry hvis maskinen er placeret under Byrådssalen.
    If regTest("ou=Klienter i salen,ou=Byrådssalen", computerPath) Then
        setUserSettings
    End If
    ' Ordstyrer.
    If regTest("ou=Ordstyrer,ou=Afstemnings klienter på podiet,ou=Klienter i salen,ou=Byrådssalen", _
        computerPath) Then
   mapDrive "H:", "\\votebox1\podiet$"
   mkShortcut "Attend ordstyrer", "H:\AttendSek.exe", _
       "H:\AttendOrdstyrer.ini"
   If Not isMember("PermAfstemSetup", getUser, "of.kk.dk") Then
       wsShell.Run "H:\AttendSek.exe H:\AttendOrdstyrer.ini"
   End IF
    End If
    ' 1. sekretær.
    If regTest("ou=1. sekretær,ou=Afstemnings klienter på podiet,ou=Klienter i salen,ou=Byrådssalen", _
   computerPath) Then
        mapDrive "H:", "\\votebox1\podiet$"
        mkShortcut "Attend 1. sekretær", "H:\AttendSek.exe", _
       "H:\Attend1Sekretær.ini"
        If Not isMember("PermAfstemSetup", getUser, "of.kk.dk") Then
       wsShell.Run "H:\AttendSek.exe H:\Attend1Sekretær.ini"
        End IF
    End If
    ' 2. sekretær.
    If regTest("ou=2. sekretær,ou=Afstemnings klienter på podiet,ou=Klienter i salen,ou=Byrådssalen", _
   computerPath) Then
   mapDrive "H:", "\\votebox1\podiet$"
   mkShortcut "Attend 2. sekretær", "H:\AttendSek.exe", _
       "H:\Attend2Sekretær.ini"
   If Not isMember("PermAfstemSetup", getUser, "of.kk.dk") Then
       wsShell.Run "H:\AttendSek.exe H:\Attend2Sekretær.ini"
   End IF
    End If
    ' Almindelige afstemingsklienter i salen.
    If regTest("ou=Afstemnings klienter for medlemmer,ou=Klienter i salen,ou=Byrådssalen", _
   computerPath) Then
   mapDrive "H:", "\\votebox1\medlem$"
   mkShortcut "Attend", "H:\AttendMed.exe", ""
    End If
    ' Maskinen i teknik rummet.
    If regTest("ou=Teknik rummet,ou=Byrådssalen", _
   computerPath) Then
   mapDrive "H:", "\\votebox1\teknik$"
   mkShortcut "Attend teknik", "H:\AttendSts.exe", ""
    End If
    '######################################
    '# Hvis brugeren har setup rettigheder
    '# så map Afstemningsshare og tilføj
    '# shortcut.
    If isMember("PermAfstemSetup", getUser, "of.kk.dk") Then
   mapDrive "S:", "\\votebox1\afstemningssystemet$"
   mkShortcut "Attend konfiguration", "S:\Tools\", ""
    End If
End If