DL's need to remain on both. E2K users must use the AD to lookup address
book information and 5.5. users need to have the entry in the 5.5 directory.
They don't share a common directory.
And more details on the users trying to send or the population of the DL
would be helpful.
-Original Mess
For so long as you have active users on both 5.5 and 2000, then the DL's
would need to reside on both. If you have a two way replication
agreement, this is likely happening.
But I am under the belief that the ADC (with E2K running) is a migration
tool and not a co-existence tool. The faster you