Thursday, October 18, 2007

A weird one

I'm currently running mixed Exchange 2003/2007 environment. I have all my DL's set to expand on on the 2007 hub tranport servers. During an Exchange 03 cluster failover, I sent an email to a DL that contained 15 users, all but 1 on Exchange 03. The message was not delivered until the 03 failover had completed.

Expected behaviour would have been that the message was delivered to the 2007 users and put in the RG connector queue for the 2003 user. I'll repost when i find out what the root cause is, assuming I can re-create.

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