Description

Attempting to upgrade the SRX software via CSO is failing with the following error:

Image upgrade validation failed for device <device name> for image file <uuid> after several retry, It may be because upgrade/reboot needs long time to finish, please double check with device. Reason Image upgrade validation failed. Expected version: 22.2R3-S6.5. Found version in device: 22.2R3-S4.11

Symptoms

Unable to upgrade the device, there are no images in /var/tmp to upgrade that CSO should transfer there.

Solution

Workaround:

  1. Manually download the file from Juniper's download site.
  2. Upload the file to the device expected location (/var/tmp)
  3. Rename the filename on disk to match the CSO image name
  4. Rerun the upgrade from CSO

Modification History

2025-07-11 : Article Created