09-23-2013 11:47 AM - edited 03-16-2019 07:30 PM
Just in case this helps somebody else keep their remaining hair intact...
Migrating an ATA 186 to CUCM 9.x requires the ATA to be running firmware ATA030204SCCP090202A
I've just spent a few hectic hours trying to work out why I couldn't migrate some ATAs from an old 4.x cluster to a shiny 9.x one. The ATAs were running version ATA030203SCCP051201A on the old cluster. ATA would get its config file from 9.x once I updated DHCP option 150, but then immediately registered with the old cluster.
As soon as I upgraded the ATAs to the new version, all worked properly. I'm assuming there's something in the XML file servered by 9.x that the old firmware doesn't understand...
09-23-2013 11:53 AM
Very good tip Barry! +5P
Carlo
Sent from Cisco Technical Support iPhone App
09-23-2013 12:16 PM
Hi Barry,
thanks for this post. I think you save my time, because I have migration this weekend from version 4.2 to 9.1
regards
Anas
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