Reader discussions reflect on the ill-fated Windows XP 64-bit Edition for Intel's Itanium architecture, noting it was uniquely built on the Windows Server 2003 kernel. Commenters attribute the platform's failure to reach the consumer market to high costs, poor x86 emulation, and the rapid rise of AMD's competing x86-64 architecture. Ultimately, Itanium was relegated to niche high-performance computing roles before Microsoft completely dropped operating system support after Windows Server 2008 R2.