This article provides how to proceed when upgrade fails showing error: Pre-provisioning not configured

Upgrade cannot be completed and following errors are displayed:

error: Pre-provisioning not configured

error: ISSU Aborted!

[Oct 16 23:31:27]:ISSU: Error

Chassis ISSU Aborted

[Oct 16 23:31:27]:ISSU: IDLE

Proceed as follows:

• Verify if mastership priority is configured, use command:
  • root@user> show configuration virtual-chassis | display set
    • If it's configured, delete it:
      • root@user#delete virtual-chassis member # mastership-priority <#>

• Then, proceed to add pre-propvisioning configuration:
  • root@user#set virtual-chassis preprovisioned
  • root@user#set virtual-chassis member # serial-number <SN> role routing-engine
  • root@user#set virtual-chassis member # serial-number <SN> role routing-engine

• Finally, you can proceed to upgrade the VC.

Notes:

• NSSU was introduced in release 22.2R1 for EX4100
• Split detection must be disabled if upgrading two members VC: set virtual-chassis no-split-detection
• Gres and NRS must be enabled
• Steps to upgrade VC using NSSU: https://supportportal.juniper.net/s/article/Steps-to-upgrade-Virtual-chassis-switches-using-NSSU

Understanding Nonstop Software Upgrade on EX Series Switches | Juniper Networks