"Account Monitoring" is not enabled.
From WFilter Documents and Tutorials
"Account Monitoring" enables you to set policy based on user accounts.
- Ignore this message if you only want to set policy based on ip addresses and MAC addresses.
- If you have an available active directory, you can configure WFilter to integrate with your AD.
- If you have no AD, you also can enable "WFilter local account" for account monitoring/filtering.
- "Account Monitoring" is not required, please check: Active directory Integration