The memory utilization as shown in Windows Task Manager shows that the process symcscan.exe is using memory in excess of 750MB. The memory utilization may be up to 1.2GB. Once the memory is at this level it does not increase and stays stable.
1. Open the Symantec Scan Engine administration console.
2. Click on the Policies item.
3. Click the Views|Filtering option.
4. Click the URL tab.
5. If the checkbox Enable URL filtering and download URL definitions is checked then this condition is met.
When URL filtering is enabled Scan Engine caches the filtering information in memory. This information uses a significant amount of memory.
This behavior is expected as is by design.