I take it that there is no way to do this then. Despite the fact that this is a MS best-practice.
Oh well :-(
OK. Put in an SR on it and a Feature request.
Thanks. I looked at the currently available API but couldn't find an obvious way to access this flag.
I suppose it will take some time to figure out where this flag is stored inside AD properties, and working on it as part of SR/FR sounds like the proper way to handle it.
AD plugin comes with generic LDAP client that will allow modifying arbitrary entity in ActiveDriecotry server.
Still as @ilian mentioned it is not clear what exactly need to be updated
Here is a bit of doc from Microsoft