speedy zinc wrote: > Ok, I have this weird idea that I want to make a new > attribute an allowed attribute of an existing > objectclass > and all its sub-classes, but without modifying the > definition of the existing class, only thru extension. I suggest that you get a good reference book to really get a grasp on what you are doing instead of using ad-hoc, trial and error sort of design methods. "LDAP Programming, Management, and Integration" by Clayton Donley Chapter 2 "Understanding the LDAP Information Model" has all the information you need. BR, Mike