It seems like your browser didn't download the required fonts. Please revise your security settings and try again.
Barracuda Load Balancer ADC

Release Notes Version

  • Last updated on

Before installing any firmware version, back up your configuration and read all release notes that apply to versions more recent than the one currently running on your system.

Do not manually reboot your system at any time during an update unless otherwise instructed by Barracuda Networks Technical Support. Depending on your current firmware version and other system factors, updating can take up to 10 minutes. If the process takes longer, contact Barracuda Networks Technical Support for further assistance.


  • Barracuda Load Balancer ADC 340, 440, and 540 have been doubled the number of Ethernet interfaces to improve the system throughput. [BNADC-5860]


  • Default cores for Barracuda Load Balancer ADC Vx models 4xx, 5xx and 6xx are now updated to 4, 5 and 6 cores respectively. [BNADC-6489]


  • Data path outage issue that occurred due to POST parameter name exceeding 2 megabytes, has been fixed. [BNADC-6457]
  • Cluster Shared Secret can now include a # (hash) character. [BNADC-6409]
  • Values of Active servers/services retrieved through SNMP GET now matches with the values displayed on the Barracuda Load Balancer ADC web interface. [BNADC-6354]
  • When a server associated with an HTTP service is disabled, an alert message is now logged only once in barracuda.log. [BNADC-6349]
  • Setting the Testing Method to HTTP and adding the XML data in HTTP Method Body for HTTP Method POST resulted in server configuration being blank. This issue has been fixed. [BNADC-6511]
  • Selecting the Testing Method to SMTP/Barracuda Spam Firewall (BSF) no longer displays a target value error. [BNADC-6351]
  • In rare cases, Actions under servers on the BASIC > Services page displayed as undefined instead of actual actions. This issue has been fixed. [BNADC-4781]
  • Test Configuration on the BASIC > Administration > Email Notifications page now displays the proper output. [BNADC-3873]
  • The scheduled backup feature related configuration items were not synchronized to the peer system in an HA cluster. Administrators can configure these settings independently. This issue has been fixed. [BNADC-5801]
  • A logs storage issue has been fixed. [BNADC-6327]
  • An issue where a backend server that was responding to health probes successfully was getting displayed as being down in the web interface after a cluster failback/failover event. This issue has been fixed. [BNADC-5779]
  • An issue where one of the monitoring daemons was running multiple times has been fixed. [BNADC-6515]
  • An issue where the routing table was getting altered incorrectly while creating services with the same IP address has been fixed. [BNADC-6374]