Solved: Installing older cop files on Cucm 11.x

Nadav · ‎02-25-2016

Hi everyone,

Is it possible to install older firmware cop files which weren't signed by RSA v3 keys on Cucm 11? For example a cop file for the 79xx series firmware from a few years back.

Rajan · ‎02-26-2016

Hi Hod,

I guess you would be able to install the same without any issues. You could try to install the same as it wont cause any harm to the existing environment. Make sure that you copy the current value in teh device defaults before upgrading the firmware. But in case you have any issues with this process, you can still download the zip file instead of cop.sgn file for that firmware and upload all the unzipped files by logging into OS administration page --> TFTP management.

Once this is done, you would be able to use that firmware on default firmware or specifically on the phone page.

HTH

Rajan

View solution in original post

Rajan · ‎02-26-2016

Hi Hod,

I guess you would be able to install the same without any issues. You could try to install the same as it wont cause any harm to the existing environment. Make sure that you copy the current value in teh device defaults before upgrading the firmware. But in case you have any issues with this process, you can still download the zip file instead of cop.sgn file for that firmware and upload all the unzipped files by logging into OS administration page --> TFTP management.

Once this is done, you would be able to use that firmware on default firmware or specifically on the phone page.

HTH

Rajan

Jaime Valencia · ‎02-26-2016

Yes, the old keys are still on new releases, that's not a problem.

HTH

java

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