RHEL5 newer 1.6.1 kadmin = fail ?

[Jeff Blaine]

* Both boxes have the same krb5.conf
* Nothing useful in krb5kdc.log
* KDC is MIT 1.6.3 custom-configure build that works fine
   for hundreds of hosts

FAILS ---------------------------------------------------------------
% /usr/kerberos/sbin/kadmin -p admin/admin
Authenticating as principal admin/admin with password.
Password for admin/admin at RCF.OUR.ORG:
kadmin: GSS-API (or Kerberos) error while initializing kadmin interface

% uname -a
Linux host.our.org 2.6.18-194.el5 #1 SMP Tue Mar 16 21:52:39 EDT 2010 
x86_64 x86_64 x86_64 GNU/Linux
% rpm -qa | grep krb5
krb5-devel-1.6.1-36.el5_5.2
krb5-devel-1.6.1-36.el5_5.2
krb5-libs-1.6.1-36.el5_5.2
krb5-libs-1.6.1-36.el5_5.2
pam_krb5-2.2.14-15
krb5-workstation-1.6.1-36.el5_5.2
pam_krb5-2.2.14-15
%

WORKS --------------------------------------------------------------
otherclient% /usr/kerberos/sbin/kadmin -p admin/admin
Authenticating as principal admin/admin with password.
Password for admin/admin at RCF.OUR.ORG:
kadmin:

otherclient% uname -a
Linux otherclient 2.6.18-194.el5 #1 SMP Tue Mar 16 21:52:43 EDT 2010 
i686 i686 i386 GNU/Linux
otherclient% rpm -qa | grep krb5
krb5-libs-1.6.1-36.el5_4.1
pam_krb5-2.2.14-15
krb5-devel-1.6.1-36.el5_4.1
krb5-auth-dialog-0.7-1
krb5-workstation-1.6.1-36.el5_4.1
otherclient%