By Joesciallo-Oracle on Aug 14, 2009
Using Messaging Server 64-bit Edition
Beginning with the release of Messaging Server 6.3, on Solaris OS, you have had the choice to install the 64-bit version of Messaging Server. The Communications Suite Product team now recommends that you install 64-bit Edition for new installations on Solaris OS, and upgrade your existing Solaris OS 32-bit Messaging Server deployments to the 64-bit version as time permits. You should no longer be installing the 32-bit version of Messaging Server on Solaris OS.
Reasons to use or switch to Messaging Server 64-bit Edition include: