Replacing a Publisher hardware on CUCM 6.1.4

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Feb 18th, 2010
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I've been told, if I replace our current Pub with new hardware, I will have to rebuild both subscribers. Is this correct?

We have currently one Publisher and two subscribers.

I have built a new Publisher on new hardware with the same CUCM version, migrated licenses and MAC and restored the backup database. When I tested the new Pub live, I came across database replication issues, the Pub couldn't see the two Subs or viceversa.

Is there any workaround or a fix, to replace the Pub without having to rebuild the subscribers.

Let me know if you have any info,

Thanks,

Zeek

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Rakesh Sabherwal Fri, 02/19/2010 - 00:25
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Hi,


Have you check in Publisher, having the node license installed. Is it showing node license 3 in license reports.


Regards,


Rakesh

Rob Huffman Fri, 02/19/2010 - 06:55
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Hi Zeek,


Sadly, the ability to replace the Publisher Node without

reinstalling the Subscriber Nodes was not introduced until

CUCM 7.1(2) or 7.1(3) Here is the related info for your

version;


Replacing the Publisher Node


Complete the following tasks to replace the Cisco Unified Communications Manager publisher server. If you are replacing a single server that is not part of a cluster, follow this procedure to replace your server.
Caution If you are replacing a publisher node in a cluster, you must also reinstall all the subscriber nodes and dedicated TFTP servers in the cluster, after replacing the publisher node.


http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/install/6_1_1/cluster/clstr611.html#wp87717



Cheers!

Rob

Tommer Catlin Fri, 02/19/2010 - 07:38
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You can try all the dbreplication tools from the CLI, but by the time those get done running and rebooting a node here and there, its just easier to rebuild the subscriber I have found.  Its only about 1-2 hours of time per subscriber to bring it back to normally operation in the cluster.

Zeek Ferraros Fri, 02/19/2010 - 08:29
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Thanks,

I guess I will have to dedicate a night to replace the publisher and rebuild both subscribers.

Thanks for the help.

Zeek

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