Before you replace your Barracuda Load Balancer ADC, use the tools provided on the ADVANCED > Troubleshooting page to try to resolve the problem.
In the event that a Barracuda Load Balancer ADC fails and you cannot resolve the issue, customers that have purchased the Instant Replacement service can call Technical Support and arrange for a new unit to be shipped out within 24 hours.
After receiving the new system, ship the old Barracuda Load Balancer ADC back to Barracuda Networks at the address below with an RMA number marked clearly on the package. Barracuda Networks Technical Support can provide details on the best way to return the unit.
Barracuda Networks
3175 S. Winchester Blvd
Campbell, CA 95008
See also: How Barracuda Networks Manages Returned Device Drives.