CUCM pre-upgrade check error issue

[nicanor00]

Hi

I need to upgrade 11.0.1.21900-11 to 12.5.1.12900-115

I am using ESXI 7.03

I downloaded these 2 files and put it the SFTP server directories

ciscocm.preUpgradeCheck-00032.cop.sha512

ciscocm.enable-sha512sum-2021-signing-key-v1.0.cop.sgn

but when I tried Install/upgrade with SFTP server I got error message (see attachement)

ciscocm.preUpgradeCheck-00032.cop.sha512ciscocm.preUpgradeCheck-00032.cop.sha512

Error encountered: An unknown error occurred while accessing the upgrade file. MD5 Hash Value:

Please kindly help to fixe it

[Jaime Valencia]

You need to install the SHA512 keys in order to use sha512 files, the name of that file you're trying to install seems extremely long, seem like you modified the name and it's the same name twice, fix that. There are filters in the CUCM server and if a file doesn't adjust to those, it won't work.

[nicanor00]

Thanks for your answer

1. where should I found the SHA512 keys

2. How should I install it ?

Please advise

[Jaime Valencia]

This has been discussed many times at the forum, 5 minutes searching will provide all the info you need on that.

The install is the same as any other cop file.

[nicanor00]

Hi

The COP I am trying to install is the signing key for SHA512.

So why it doesnt work

Please help

[Jaime Valencia]

Read my first comment again, I already said the filename looks wrong.

[Jonathan Schulenberg]

In addition to Jaime’s guidance, the upgrade guide calls for a second COP file when going from 11.0 to 12.5: 

ciscocm.cuc_upgrade_12_0_v1.3.cop.sgn

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/connection/12x/install_upgrade/guide/b_12xcuciumg/b_12xcuciumg_chapter_010.html#ID-2166-00000016

[nicanor00 · Accepted solution]

Hi

I use filezilla server and it work

Thanks all