• Windows Server 2003 with SP1 and above, or R2
• Novell SUSE Linux Enterprise Server 10
• Ubuntu 6.06 Server Edition
• Red Hat Enterprise Linux version 5
• 32-bits and 64-bits OS

Pentium 500 MHz or faster
Following conditions may increase the load of the CPU:

• High number of authentication/ accounting/ signature validation / provisioning/ reporting requests
• RADIUS requests proxied to RADIUS server
• One or more audit consoles active
• One or more administrative sessions active
• ODBC auditing enabled

Minimum RAM capacity of 512 MB.
Following conditions may increase memory size requirements:

• User cache enabled with a large number of users to be cached
• Extensive reporting

Minimum disk space of 200 MB.

Following conditions may increase disk space requirements:

• Large number of user and token records
• High number of reports
• Audit log files that are not archived

Version 2.0 or above.