Kerio Control Web Filter Is Not Activated Categorization Is Disabled Fixed -

After applying the relevant solutions, verify success:

After performing the fixes, navigate back to . The "Categorization is disabled" warning should be gone. The status should show "Active."

Kerio Control automatically checks external servers. If 10 consecutive queries fail within 60 seconds, it marks the engine as unreliable and disables categorization. After applying the relevant solutions, verify success: After

Avoid using Google DNS (8.8.8.8) for Zvelo queries, as it can cause "Invalid Authorization" errors.

GFI Support may provide a hotfix or a script to manually reinitialize the categorization engine. If 10 consecutive queries fail within 60 seconds,

If the trial period (30 days) has ended and a specific license was not purchased, categorization will be disabled. Manual Enablement: Content Filter Applications and Web Categories and ensure Enable Kerio Control Web Filter is checked. License Refresh: If you recently renewed, you may need to perform an offline registration by downloading the license file from the Kerio Product Registration page 4. Checking the Logs If the status persists, check the Error logs

| Item | Expected Status | |------|----------------| | License → Web Filter | Licensed | | Web Filter → Categorization | Enabled (green) | | Last update | Within 24 hours | | Test a known category | e.g., facebook.com → Shows Social Networking | If the trial period (30 days) has ended

Kerio downloads a local copy of the categorization database. If that database is outdated or corrupt, forcing a fresh download helps.

: After modifying DNS settings, a system reboot is recommended to clear cached authorization tokens that typically expire every 21 days. Solution 3: Verify License Status

You must restart Kerio Control after changing these DNS settings to clear the cached status. 2. Disable "Reliability Detection" (SSH)