You are seeing the following error in your Symantec Data Loss Prevention (DLP) logs and would like more information on what this error means.
connectOp select failed
This error usually indicates an issue with a Detection server not being able to communicate with Enforce and showing a status of "Unknown" in the Enforce console on the System > Servers > Overview page.
For additional troubleshooting steps please refer to technote Detection Server showing a status of "Unknown".