I have recently installed Exchange 2007 in our network. The configuration is 2 CCR clusters. I installed this config in a current Exchange 2003 organization (both are on the same domain).
The problem I am having is after I moved a user to the new cluster (cluster 1) they can receive mail, but can no longer send mail internally or externally. Also, the messages stay in the outbox. If I move this same user to cluster 2, their mail works no problem.
I have tried to compare the two to see if I can see the problem, but I cannot. I am quite “green” when it comes to Exchange, so any ideas would be greatly appreciated. Thanks.