YES - as long as the server anti-virus engine is not also protecting the Exchange mail services
You can have a server anti-virus engine on the exchange server along with the Barracuda Exchange Anti-Virus add in.
You just can NOT have two Exchange anti-virus engines on the exchange server.
The barracuda AV add in only protects the mail and not the server so you still need a server AV engine.
If they have a server AV engine then they need to ensure that if it also protects the Exchange mail they turn that part off.
They also need to exempt from scanning the following
So that the server AV engine does not see the files the Barracuda add in creates when checking mail.
Link to This Page: