31 jul 2007 kl. 00.42 skrev Henry B. Hotz: > Is the Microsoft NT-PRINCIPAL-NAME attribute case sensitive? > > I mean that question two ways: 1) Does a MS DC care (I'm guessing > not)? 2) Does Heimdal care (I'm guessing yes)? You have to ask msft what matching rules they use, its commonly ldap matching rules. Heimdal uppercases the realm part of the UPN and hopes for the best. Love