The products in Java ES 7 support at least the following platforms:
Solaris 10 for SPARCTM, x86, and x64 platforms
Solaris 9 for SPARC and x86 platforms
Red Hat Enterprise Linux 5 (AS and ES) for x86 and x64 platforms
Red Hat Enterprise Linux 4 (AS and ES) for x86 and x64 platforms
Microsoft Windows 2003 Server Standard and Enterprise Editions (32 and 64 bit versions) SP2 for x86 and x64 platforms
Microsoft Windows 2003 Data Center Server (32 bit version) SP2 for x86 and x64 platforms
Microsoft Windows XP Professional Edition SP2 for x86 platform
Microsoft Windows Vista Business Edition for x86 platform
Note the following caveats to the above list:
Specific platform support may vary across individual component products. Be sure to refer to the platform requirements listed in the product documentation for each component product.
Several Java ES 7 products support the Microsoft Windows XP and Vista platforms for development use, but not for production use.
Solaris Cluster and Solaris Cluster Geographic Edition support only Solaris.
Sun Java System Directory Server Enterprise Edition (DSEE) 6.3.1 does not support Red Hat Enterprise Linux 5.
Web Space Server 10.0 U6 does not support Solaris 9.