When you run a scan, a message similar to the following is displayed in the syslog, but no further logging information is recorded:
2008-09-19 10:56:59 /Applications/Sophos Endpoint Security and Control.app/Contents/MacOS/Sophos Endpoint Security and Control Failed to create a log, logging scan results to system log.
Sophos product and version
Sophos Anti-Virus for Mac OS X
What to do
This issue can occur if you give the scan an exceptionally long name.
To fix this issue, rename the scan with a shorter name, i.e. one containing less than 255 characters.