Failed to magrating 7940 ip phones between 2 clusters remotely

Unanswered Question
Aug 11th, 2012

Just failed to magrating 7940 ip phones between 2 cluster yesterday

Some information of 2 clusters

Cluster A has just been upgraded from 6.1.2 to 8.6.2-21900 , and Cluster B upgraded from 8.5.1 to 8.6.2- 21900.

Cluster A used for the Shanghai Office , Cluster B used for others cities

We planned to magrate about 40 7940 iphones and 100 6921 iphones registered in Cluster A to Cluster B  but finally failed.

following is what we had done .

1  changed "PREPARE CLUSTER FOR ROLLBACK TO PRE 8.0 “ from false to true  in CUCM A

2  restarted TVS and TFTP service

3  reset those  iphones

4   change the DHCP settings on the remote SWITCH

as the result ,  all 6921  IP phones  successfully magrated between 2 clusters but 7940 failed

Is there any mistakes we made  or some other points we should take attention??

I have this problem too.
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Qiyu Bao Sun, 08/12/2012 - 20:37

hi pqcristovam

  i have not  fund CTL/ITL files in 7940 ip phones..

  i had just test for magrating 7940 ip phone  between 2 clusters in the lab of Shanghai office successfully, but failed in the remote office with the same way.


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