The operating systems that are compatible with GlassFish ESB design-time components are the same as those that are compatible with NetBeans 6.5:
Sun Solaris 10 SPARC® (64 bit)
Sun Solaris 10 x86 (32 bit and 64 bit)
Sun Solaris 9 SPARC (64 bit)
OpenSolaris 2008.05 (evaluation support only)
OpenSolaris 2008.11 (evaluation support only)
Microsoft Windows XP SP2 and SP3 (32 bit)
Microsoft Windows 2000 SP4 (32 bit)
Microsoft Windows 2003 R2 SP2 (32 bit)
Microsoft Windows Vista Business SP1 (32 bit)
Red Hat Enterprise Linux AS 4 (32 bit and 64 bit)
Red Hat Enterprise Linux AS 5 (32 bit and 64 bit)
Macintosh OS X 10.5 x86 (32 bit)
Macintosh OS X 10.5 PPC (32 bit)