Option Explicit

Const USER               = "Administrator"
Const PASS               = "secretpassword"
Const WSNAME_COMMANDLINE = "\\MYSERVER\Tools\WSName /N:NEWNAME"

Dim fso         : Set fso = CreateObject("Scripting.FileSystemObject")
Dim WSHShell    : Set WshShell = CreateObject("WScript.Shell")
Dim WshNetwork  : Set WshNetwork = CreateObject("WScript.Network")
Dim oDic        : Set oDic = CreateObject("Scripting.Dictionary")
Dim objArgs     : Set objArgs = WScript.Arguments
Dim oProcessEnv : Set oProcessEnv = WshShell.Environment("PROCESS")

Dim sPathToRunAs, iReturnCode

sPathToRunAs = oProcessEnv("SystemRoot")&"\System32\runas.exe"

if Not fso.FileExists(sPathToRunAs) Then : WScript.Quit(1) 'Can't find RunAs

iReturnCode=WshShell.Run("runas /user:" & USER & " " & CHR(34) & WSNAME_COMMANDLINE & CHR(34), 2, FALSE)
Wscript.Sleep 40                  ' Time for window to open.
WshShell.AppActivate(sPathToRunAs)' Activate the Window
WSHShell.SendKeys PASS & "~"      ' Send the password