Following was my test environment setup. Please add your experience in comment if you have witnessed same or different behavior.

One of the task that we need to do in all our new BizTalk environment over and over again is creating BizTalk security groups and service accounts. Although this will be handled by Domain Administrator from customer’s organization, BizTalk admin user is supposed to provide all the detail required prior to BizTalk installation.

MSMQ doesn’t just drop data received. However, it discards message in certain circumstances here. The issue is that there is not enough visibility on what is happening. What I found helpful were following two.