Solution #00004662
Scope:
Applies to all Email Security Gateways.
Answer:
If you are unable to install the Barracuda Outlook Plug-in for the Email Security Gateway because of expired certificate errors, please download and install the latest version of the Barracuda Outlook Plug-in (2.4.5 or higher).
The newest version is available for download at:
http://d.barracudanetworks.com/
Alternatively, you can update the firmware on your Email Security Gateway to 4.1.x. Version 2.4.5 of the Outlook Plug-in is also available in this firmware version.
Link to this page:
https://campus.barracuda.com/solution/50160000000IDLBAA4