http://blogs.msdn.com/b/publicsector/archive/2005/10/31/487428.aspxIn the highly unlikely event that you have not seen Rob Caron's blog, here is a excerpt and link to said critical resource. BTW, we are getting an increased number of questions regarding 64-bit support in VS 2005 and I hope this article helps. Besten-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)