I've since contacted Symantec one more time about this issue. I was told that the way MAPI works in 11d is different than 10d. I was advised to be aware of this, and that it was a microsoft issue. Basically, the issue is unresolvable by Symantec. ...
I am also having this same issue. After upgrading to 11d, i'm experiencing the event ID 9646 on the exchange server the same errors in the job history log. This is very frustating. In the meantime, I'm taking a full backup of our info store. The ...