title: http://timestamp.verisign.com/scripts/timstamp.dll not available
body: <p>When the following URL is not available, what other timestamp URL can I use in my setup authoring tool? The specific error I get is: <code>SignTool Error: The specified timestamp server either could not be reached or returned an invalid response.</code></p>
  
  <p><a href="http://timestamp.verisign.com/scripts/timstamp.dll" rel="noreferrer">http://timestamp.verisign.com/scripts/timstamp.dll</a></p>