Scope:All Barracuda Networks products, all firmware versions.
Barracuda Web Filter
To ensure a smooth transition from Firmwares 4.2 and earlier to Firmwares 4.3 and later, proceed to Advanced > Energize Updates and update the definitions before updating the firmware.
If you are using the DC agent on the domain controller you need to update that as well. This can be done by downloading the new DC agent from the Authentication page of the device and unistalling the DC agent from the Domain Controller and installing the new version
Link to This Page: