you can specify a
user_id to
ad_user_new - the intent was for double-click protection, but as long as the
object_id you're after is available I guess you should be right...
hmmm, come to think of it you'll probably have a problem when the main object_id sequence reaches the user_ids you're assigning to the folks in question - perhaps the only safe way is if the current value of t_acs_object_id_seq is above the user_id values you want to hand out, and the object_id values you're after are not in use (the objects having been deleted or something)...
what "various other systems" are these values being used in? if there's already glue between them and this OACS instance then I'd think that using a mapping table is probably the cleanest way to go, all things considered...