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<h1 class="topictitle1">Troubleshoot Kerberos server in i5/OS PASE</h1>
<div><p>Troubleshoot Kerberos server in i5/OS™ PASE by accessing status and informational
log files.</p>
<div class="section">During configuration of a Kerberos server in i5/OS PASE, the authentication server and
the administration server are created. These servers write status and informational
messages to a log file located in the <span class="filepath">/var/krb5/log</span> directory.
This log file, krb5kdc.log contains messages that can help the administrator
troubleshoot problems with configuration and authentication requests.</div>
<div class="p"><span>Access Kerberos server log files in i5/OS PASE</span> On the iSeries™ server
that you have the Kerberos server configured in i5/OS PASE, complete these steps:<ol type="a"><li class="substepexpand"><span>At a character-based interface, type <tt>QP2TERM</tt>. </span> This command opens an interactive shell environment that allows you
to work with i5/OS PASE
applications.</li>
<li class="substepexpand"><span>At the command line, type <tt>cd /var/krb5/log</tt>.</span></li>
<li class="substepexpand"><span>At the command line, type <tt>cat /krb5kdc.log</tt>. </span> This will open the krb5kdc.log file that contains error messages for
the i5/OS PASE
KDC.</li>
</ol>
</div>
<div class="example"><h4 class="sectiontitle">Example krb5kdc.log file</h4>The following sample log contains
several messages<pre class="screen">$
AS_REQ (3 etypes {16 3 1}) 10.1.1.2(88): NEEDED_PREAUTH:
jday@ISERIESA.MYCO.COM for kadmin/changepw@ISERIESA.MYCO.COM,
Additional pre-authentication required
Apr 30 14:18:08 iseriesa.myco.com /usr/krb5/sbin/krb5kdc[334](info):
AS_REQ (3 etypes {16 3 1}) 10.1.1.2(88): ISSUE: authtime 1051730288,
etypes {rep=16 tkt=16 ses=16}, jday@ISERIESA.MYCO.COM for
kadmin/changepw@ISERIESA.MYCO.COM
Apr 30 14:18:56 iseriesa.myco.com /usr/krb5/sbin/krb5kdc[334](Notice):
AS_REQ (3 etypes {16 3 1}) 10.1.1.2(88): NEEDED_PREAUTH:
jday@ISERIESA.MYCO.COM for kadmin/changepw@ISERIESA.MYCO.COM,
Additional pre-authentication required
Apr 30 14:18:56 iseriesa.myco.com /usr/krb5/sbin/krb5kdc[334](info):
DISPATCH: replay found and re-transmitted
$</pre>
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<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakhtrouble.htm" title="This section provides links to troubleshooting information about common problems for network authentication service, Enterprise Identity Mapping (EIM), and IBM-supplied applications that support Kerberos authentication.">Troubleshoot</a></div>
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