The Enterprise Security Client is supported on the following platforms:
Apple Macintosh OS X 10.4.x (Tiger) (Power PC, Intel)
Microsoft Windows XP Professional (i386)
Red Hat Enterprise Linux AS 4 (i386)
Red Hat Enterprise Linux ES 4 (i386)
Red Hat Enterprise Linux AS 4 for AMD64 and Intel EM64T
Red Hat Enterprise Linux ES 4 for AMD64 and Intel EM64T