Just an FYI: For those that are interested and/or have customers interested in IE6 SP1, it's now publicly available for download. http://www.microsoft.com/windows/ie/evaluation/ie6sp1.asp Some specific (public) bug fixes that may be related to IE <-> ISA Server interoperability: NTLM Authentication: http://support.microsoft.com/default.aspx?scid=kb;en-us;Q312176 http://support.microsoft.com/default.aspx?scid=kb;en-us;Q325662 http://support.microsoft.com/default.aspx?scid=kb;en-us;Q322822 SSL with a no-cache header: http://support.microsoft.com/default.aspx?scid=kb;en-us;Q323308 Jim Harrison MCP(NT4, W2K), A+, Network+, PCG http://isaserver.org/pages/author_index.asp?aut=3 http://isatools.org Read the books!