I have been moving users to a new Post Office over the past few day and I can't seem to move the nicknames associated with them i.e. webmaster, postmaster, etc...

I have a few hundred of them and they work fine in the old Post Office pointing to the User in the new one, but I will be removing the old PO when my moves are complete and do not want to recreate all the nicknames by hand.

How do I move them to the new PO?