troubleshooting Question

Barracuda Outbound Queue

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Winsoup asked on
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The past couple of days we have been getting notifications from Barracuda stating the following: "Alert: High out-queue length. out-queue length: 108"
This is a Barracuda Spam and Virus Firewall 300 and we are running Exchange 2010 on windows server 2008R2.

Sometimes that queue will get close to 400 before it starts going down again.
The message in Barracuda when I check the outbound queue is "Connect to Connection Timed Out" They seem to eventually go through but I'd like to know what's causing this in the first place. I contacted Barracuda yesterday but all they told me was it's a config issue with Exchange. This has been running for over a year and we haven't made any changes to it so I don't know why it just start giving us this error.

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