I'm willing to bet my dinner that your apt sources do not contain dapper-security for universe. Please add it with synaptic or plain sudo vi, update the index and then try again. Thank you!
In case I was wrong, please shout and I will reopen the bug and figure out what else is wrong. ** Changed in: krb5 (Ubuntu) Status: Unconfirmed => Rejected -- Universe Packages krb5-kdc, krb5-user, krb5-admin-server don't match krb5 library any more https://launchpad.net/bugs/57465 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs