>The krb_524_convert_creds() function is new to MIT Kerberos 1.4.x. >Therefore, it is present in Tiger but not in previous versions. Assuming you're talking about krb5_524_convert_creds(), it was definately in MIT Kerberos 1.3, and I see it prototyped in /usr/include/krb5.h on a Panther system here. --Ken