hi,
I have some unmanged client.this system Quarantined Files are very large ,so we want to delete manually all sep unmanaged system.
Kindly provide any setting automatic delete all logs.
Automatically delete quarantine files
https://www-secure.symantec.com/connect/forums/automatically-delete-quarantine-files
How to Manage Quarantined files
http://www.symantec.com/business/support/index?page=content&id=TECH106443
Check this thread
https://www-secure.symantec.com/connect/forums/cant-delete-quarantined-files-0
Above attach link can help you if you will be try the same on managed systems.
If you change the same, firstly update same systems as managed.
https://www-secure.symantec.com/connect/downloads/solution-doc-manage-unmanaged-system-sep-1106005