Set use_conf_ktypes to 1 while looking up the tgt to use for forwarding. To generate a diff of this commit: cvs diff -r5.414 -r5.415 krb5/src/lib/krb5/krb/ChangeLog cvs diff -r5.21 -r5.22 krb5/src/lib/krb5/krb/fwd_tgt.c