With OE11.5+ and increasing popularity with multiple OE installations side by side on the same machine, it can be a headache to manually taking care of all the ports used by multiple services (OE Management, Admin Service, etc) for each OE installed.
<Excerpt from https://community.progress.com/community_groups/openedge_rdbms/f/18/p/20100/71397.aspx#71397>
I would like to suggest to have a -port-offset n configuration (similar to JBoss - https://docs.jboss.org/author/display/WFLY9/Domain+Setup) which will automates the increasing/decreasing of the binding port(s) based on the n value?
As such, all the default ports (-adminport, -port, -httpport, etc) will be increased by 100. This way will be much easier to setup for different OE environments.
<End of excerpt>
I am not too sure at which area to implement this switch more preferably, but probably in the Admin Service startup parameters.