http://blogs.iis.net/hosterposter/archive/2007/02/12/getting-64-bit-or-32-bit-applications-working-on-iis-6-0-x64.aspxWhen running on x64 hardware, you have two options. First, to run in native 64-bit mode. This means all the applications running need to be 64-bit. The second is to run worker processes in 32-bit mode, which means all applications need to be 32-bit. ThisenCommunityServer 2007 SP1 (Build: 20510.895)http://blogs.iis.net/hosterposter/archive/2007/02/12/getting-64-bit-or-32-bit-applications-working-on-iis-6-0-x64.aspx#1575288Mon, 12 Feb 2007 20:16:01 GMT50bcf3b4-f6fe-4638-adff-0c150e922e99:1575288hosterposter : Getting 64-bit or 32-bit applications working on IIS 6.0 x64<p>PingBack from <a rel="nofollow" target="_new" href="http://blogs.iis.net/hosterposter/archive/2007/02/12/getting-64-bit-or-32-bit-applications-working-on-iis-6-0-x64.aspx">http://blogs.iis.net/hosterposter/archive/2007/02/12/getting-64-bit-or-32-bit-applications-working-on-iis-6-0-x64.aspx</a></p> <img src="http://blogs.iis.net/aggbug.aspx?PostID=1575288" width="1" height="1">