Obtain a full core dump for analysis when the ProxySG appliance restarts through the Management Console or the command line interface (CLI).
 

In the Management Console:

1. Log in to the Management Console (https://<IP_address>:8082/ ).
2. Select Maintenance  > Core Images > Core Images.
3.  For the core image type, select Full.
4. Click Apply to save your changes.
5. You will to restart the proxySG to generate the core dump. Restarting the proxySG via GUI will not generate the core dump. You will to restart via CLI.
6. Once you have log in to the CLI via SSH or serial console, use the following commands

In the CLI:

1. Log in to the CLI via SSH or the serial console.
2. Type the following commands:

3. You will need to restart the proxySG now to generate the full core dump.

IMPORTANT: When the full core dump is enabled, the appliance takes a longer time to reboot as it generates the core dump. The duration of reboot depends on how much memory the unit has and how much of it was in use at the time of the restart. It usually takes 10 to 20 minutes to generate a full core dump.

• To manually force a memory dump, reference How do I force or create a manual memory dump on the ProxySG?
• To manually download core files from the proxy, refer to KB article 000011259.

Also You can Validate from Sysinfo Provided by Customer, If "Full-Core" is Enabled or not, Look for Below Config in Sysinfo

!- BEGIN general
restart core-image full  <------- This indicates full core is Enabled, If you do not see that indicates full core is disabled.
restart mode hardware
!- END general