Totally missed that a very handy name change task was added to the IBM Sametime name conversion utility looooong time ago:
I hate it if I have to restart my WAS servers and can’t logon with my admin user because the LDAP server is down, same is true when playing around with federated repos settings.
Many customers are upgrading their pre 8.5 Sametime environments to 8.5.x Versions and therefore have to change the directory lookups to LDAP.
(If you already used LDAP lookups just ignore this post.)
Unfortunately online awareness for hierarchical names will not work anymore in the Lotus Notes Client (still works for email addresses):