http://blogs.technet.com/tristank/archive/2009/06/05/isa-server-2006-on-windows-server-2008-nup.aspxYuri’s blog explains some of the detail. But there’s slightly more subtlety to it, which I’ll try to snake-oil in front of you here: Can I install ISA 2006 on 32-bit Windows Server 2008 ? No , it only runs on Windows Server 2003. Okay, so technically,en-AUCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/tristank/archive/2009/06/05/isa-server-2006-on-windows-server-2008-nup.aspx#3250505Fri, 05 Jun 2009 00:32:28 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3250505Blog du Tristank : ISA Server 2006 on Windows Server 2008: Nup | Windows (7) Affinity<p>PingBack from <a rel="nofollow" target="_new" href="http://www.windowsaffinity.com/?p=1915">http://www.windowsaffinity.com/?p=1915</a></p>