If database changes do not fix the issue, make sure your subscription can fetch a valid cloud token. Parameter to Verify Location in UI / System Required Status Action if Failing Dashboard > License Tile Active / Valid Renew subscription or contact your GFI partner. DiaServerUrl Configuration /opt/kerio/winroute/winroute.cfg via SSH Must read v4.url.zvelo.com Correct the text string if it points to outdated endpoints. Web Filter Checkbox Content Filter > Applications and Web Categories Enable Kerio Control Web Filter must be checked. Check the option and click Apply . Confirming System Health
If you recently restored your firewall from a backup, changed your hardware, or deployed a virtual machine (VM) template, your system UUID might have changed. This causes the licensing server to reject your Web Filter activation. Navigate to . If database changes do not fix the issue,
To prevent this issue from returning, consider regularly updating your firewall. Go to > Advanced Options > Software Updates and check Periodically check for new versions to ensure your system stays compatible with upstream provider changes. Web Filter Checkbox Content Filter > Applications and
If your structural Software Maintenance evaluation has crossed its 30-day trial window, the active taxonomy engine instantly disables itself. Ensure subscription statuses show active, unexpired timelines. Verifying and Troubleshooting Content Filtering This causes the licensing server to reject your
Go back to your web admin panel. The firewall will automatically start downloading a clean, updated categorization database. 6. Update Kerio Control to the Latest Version
Occasionally, the local cache of the categorization database becomes corrupt. You can force Kerio to redownload the module. Go to > Kerio Control Web Filter . Uncheck Enable Kerio Control Web Filter , click Apply . Wait 30 seconds, then re-check the box and click Apply .
This toggle forces the Kerio Control engine to terminate the active filtering daemon, flush temporary lookup errors, and attempt a fresh handshake with the global categorization servers. 4. Fix Machine UUID and MyKerio Registration Conflicts