When you initially set up a Barracuda firewall, it will prompt you to click on a link to activate the unit. From here, you will be taken to a web page where you enter your product information to activate it. However, you may find that after successfully completing this portion of the activation, the GUI will still say that the firewall needs to be activated. In many cases, this may be due to the firewall not having a routable IP address assigned to any of the interfaces. By default, the only IP address assigned to the firewall is the management IP address. However, this address does not have a gateway associated to it by default and, therefore, does not have any routes to get out to the internet. Because of this, the firewall cannot contact the Barracuda activation servers and verify that the firewall has been activated.
In order to get this address to reach the internet, you will need to either configure a static route to your existing network (and change the management IP and subnet mask to your existing subnet range) or configure a static WAN interface to connect to your ISP. You will also need to make sure the primary and secondary DNS addresses are configured as well so that the firewall can resolve the domain names of the activation servers. When you have your routes configured, the firewall should be able to automatically reach the activation servers. To confirm that the firewall is able to activate on the servers, navigate to the BASIC>STATUS page on the GUI. Under the section labeled "Subscription Status", it should show your current subscription in green. If you have completed these steps and you still cannot get your firewall activated, please contact Barracuda Networks technical support for further assistance.
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