From 12.4.2 onwards, you can clear or export the system logs.
To clear or export logs in SEM
In start menu, select Secure Endpoint Manager application.
You can go to AppData > Local > Programs > SonicWall > Secure Endpoint Manager to find the Secure Endpoint Manager package.
Click Open.
In General Tab, set the log level to either to clear or export the debug logs or information.
Under Logging you can do the following:
Click Clear Logs to clear the debug logs or information.
Click Export Logs to export the debug logs or information.
The logs or information files are downloaded.
You can also go to AppData > Local > SonicWall > SnwlWebAgent location to collect the logs.