[cisco-voip] CTL cert - migration to diff cluster

[Pavan K]

Folks,
Could use some help with a migration issue..

Ucm 8.6 encrypted with tokens that are no longer available.
Have about 2k 7945 phones with CTL and ITL installed.

Trying to migrate these phones to a diff nonsecure cluster running ucm 10.

I was able to get the ITL file erased using the rollback enterprise
parameter.

Every time I delete the CTL file, phone reboots and downloads it again.
Phone security profile has been updated to non secure and there is no LSC
on the phones.

Need the CTL file off the phone long enough to switch vlans.

What are my options ?
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