This release of Sun Java System Instant Messaging supports the following platforms:
SolarisTM 9 (5.9) OS (SPARC® Platform Edition, x86 Platform Edition, and Opteron Platform Edition)
Solaris 10 OS (SPARC Platform Edition, x86 Platform Edition, Opteron Platform Edition)
Red Hat Enterprise Linux AS 3.0 and AS 4.0
A list of recommended patches for Solaris can be found at SunSolve Online.