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I am running Exchange 2010 SP1. I am in the process of creating Dynamic DLs to replace some of the Static DLs we have been using.
My plan was to rename the original Static DL to a new name and create the new Dynamic DL with the name that everyone is already use to using. Unfortunately that doesn't seem to work.
It is appears that if that address is already in someone's "cached" address list, it will come back as undeliverable.
Q: Is it possible to do what I am attempting to do or will everyone that already has that address for the old Static DL have to delete it out of the "cached" list first?