RPD-Client Midstring-Search in Directory does not work. But it works on favorite entries. How to search in the corporate directory for a systeme like „…_room“ or „*room“?
not knowing which version you found this and as this may be WAD/Working as designed I can only recommend raising this as a support ticket to get an official confirmation on this.
I'm making a lot of assumptions about your environment, but this setting in the Resource Manager may be what you are looking for. (See image attached) It is under Admin-Directories->Directory Setup