Microsoft® Windows® 2000, XP Home Edition, XP Professional, XP Professional x64 (alleen Itanium), Server 2003 (IPv6 alleen ondersteund door Windows XP en Server 2003); Novell NetWare 3.2, 4.2, 5.x, 6.x (NDPS); Mac OS 8.6 en hoger; Red Hat Linux 6.x, 7.x, 8.x, 9.x; SuSE Linux 6.x, 7.x, 9.x; HP UX 10.20, 11.x, 11i; Solaris 2.5x, 2.6, 2,7, 2,8 (alleen SPARC-systemen); IBM AIX 3.2.5 en hoger; MPE-iX, UNIX, Citrix, MetaFrame, Windows Terminal Servers