I agree with you Johan, it is important to remember that unlike their corresponding DDL events, DDL triggers do execute synchronously and in the source execution context. Consequently they do always have some effect on the source process and activity.
My general rule of thumb is that you should always prefer to use DDL Event notification over DDL triggers, unless you actually do want to have some effect on the triggering process or command (such as intentionally rejecting certain Logins).
Excellent war story.
I think Rbarryyoung is right on the money. I believe that the lack of explicit transaction demarcation is the real problem.
Do you mind specifying explicit "begin tran"/"commit tran" ? It should work, right?
Well, I will try to test it in collaboration with my biztalk dev team.
But I think it would be over simplified to just incorporate the explicit "begin tran"/"commit tran". E.g. when using implicit transactions, one should also have to check for the @@trancount !, and then basically violate the concept of the implicit transaction itself.
Secondly, considered the absence of the need to interfere in realtime, the only valid approach is the one using sqlserver events.
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