Supported platforms 

Sun Blade^TM or comparable workstation or server

Operating system 

Solaris^TM 9 or Solaris 10 on SPARC

Solaris 9 or Solaris 10 on x86 

Red Hat Enterprise Linux 3.0 Update 3 or 4.0 on x86 

Windows 2003/XP/Vista in 32-bit mode with latest Service Pack 

Note: Portal Server 7.1 on Windows can only be used as a developer platform or an evaluation platform. It can not be used as a deployment platform. Do not use Java ES installer for Windows to install Portal Server 7.1. Use the evaluation installer to install Portal Server. Access the evaluation installer from http://www.sun.com/download/products.xml?id=465e130d

The ReadMe file provided with the installer has information on how to install Portal Server. The evaluation installer provides you a pre-configured image of Sun Java System Portal Server 7.1 Update 1. You can get a working copy of Portal Server by unzipping the contents of this file. 

RAM 

1.5 Gbytes for regular deployment on Sun Java System Web Server 

2.0 Gbytes for regular deployment on Sun Java System Application Server 

Disk space 

1 Gbyte for Portal Server and associated applications 

Swap space 

Twice the amount of physical memory, for example, 2.0 Gbytes RAM and 4.0 Gbytes swap space.