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.

Known Issues

  • In the High Availability environment, deleting a Layer 4 service or editing the server associated with the Layer 4 service in the Passive unit is not handled properly in the backend. It is recommended to perform these operations on the Active unit. [BNADC-5795]
  • Due to known issues, the SSL hardware option is disabled in the Barracuda Load Balancer ADC 640 and 840. The administrator can manually enable the SSL hardware functionality (if required). [BNADC-8689]


  • False Energize Update Expired alert emails are not generated when the unit is offline. This issue has been addressed. [BNADC-8599]
  • Adding a new line in the Comments text box for Attack Types resulted in a configuration rollback. This issue has been addressed. [BNADC-8614]
  • The data path crash when the Response Body Rewrite rule was configured for a service, has been fixed. [BNADC-8656]
  • The data path crash in HTTP2 traffic has been fixed. [BNADC-8657]
  • A GET query for service groups can now be executed without a forward slash in the REST API URL. [BNADC-8702]