going to try my best to explain:

our exchange 2003 was migrated to exchange 2007 (was not here for the migration). Looking in active directory sites and services - > services - > Microsoft exchange - > company - > address list container - > recipient update services

i have two recipient update services

1) recipient update service (enterprise configuration)

2) recipient update service (my-domain)

my guess is one of these is left from the old exchange 2003. (im guessing this because the migration was not done properly, the exchange server was never actually uninstall, it was just taken offline, and then later disposed of).

could having two of these cause me issues, and if so, how do i know which one i could get rid of ?

Im asking because i honestly have no idea. it might even be nothing. thanks