ibm-information-center/dist/eclipse/plugins/i5OS.ic.rzakg_5.4.0.1/rzakgproblemjoblog.htm

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<title>Problem: DHCP job log has DNS030B messages with error code 3447</title>
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<h1 class="topictitle1">Problem: DHCP job log has DNS030B messages with error code 3447</h1>
<div><p>Error code 3447 means that the DHCP server timed out waiting for
a response from the DNS server. This might be due to network or connection
problems between the iSeries™ DHCP server and DNS server.</p>
<p>This message will be accompanied by a TCP5763 message which contains the
type of DNS resource record and detailed data for the resource record that
the DHCP server attempted to update.</p>
<p>Because the DHCP iSeries server attempts to update DNS resource records
each time a lease is renewed, the resource records might already be present
in the zone configuration file from the initial IP address lease or a prior
lease renewal. Check the DNS zone configuration data using a tool, such as
NSLOOKUP. You might find that the resource record is already present with
the correct data and that no action is necessary.</p>
<p>If the resource record is not present in DNS there are several ways to
update the resource record. The DHCP iSeries server will attempt to update
the resource record at the next lease renewal request. So, you can wait until
that occurs. Or, many clients attempt to renew or reacquire an IP address
when they are powered on. You might want to try to restart the
client, which can cause the DHCP server to attempt to update the DNS resource
records again.</p>
<p>If neither of these options work for you, you can update the DNS resource
records manually. This method is not recommended because the dynamic zone
must not be running when manual updates are made. So, other dynamic updates
from the DHCP server will be lost during this down-time. However, there are
dynamic update utilities provided by some client and BIND DNS server implementations.
You can use the dynamic update utility to update the resource record. While
similar in process to manually updating the zone (an administrator must enter
the resource record data to be updated), dynamic update utilities allow the
zone to be updated while the zone is active.</p>
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<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakgtroubleshooting.htm" title="You can view job log and trace data, as well as use troubleshooting lists for common problems.">Troubleshoot DHCP</a></div>
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