You have Scan Engine set up to scan files and/or web traffic. Your file system scanner on your local system detected viral content in a file that passed through the scan engine system. The scan engine system did not register the file as being viral. You are concerned the scan engine software is not working.
Web traffic and/or files is getting scanned by Symantec Scan Engine.
Virus definitions on the scan engine server may not be fully up to date.
In the event that a file system scanner detected viral traffic in a file that Symantec Scan Engine scanned and let through, you will need to do the following:
If EICAR not detected as being viral, you will need to contact Symantec Scan Engine support for assistance.
How to use the Scan Engine Command Line Scanner: http://www.symantec.com/business/support/index?page=content&id=TECH82008&locale=en_US
Where to download the EICAR.com test string: http://www.eicar.org
Where to download the latest Intelligent Updater for Symantec Antivirus Scan Engine: http://www.symantec.com/avcenter/download/pages/US-CS.html