When using Java Version 8 (e.g., Update 31) with the ProxySG Management Console, you might experience the following issues:
Java 7 is supported for SGOS 6.5.x. Download the latest Java 7 update, if necessary.
To determine the version of Java JRE version that is running, open Windows Control Panel and launch Java. In the Java Control Panel, in the General tab, click About.
SGOS Release Notes are available with the release image: https://support.symantec.com > MySymantec > Downloads > Software Downloads section