Hello Reload,
Greetings !!
From the problem i can see there is a problem while install Screen OS firmware and you are getting erorr mentioned
Kindly follow the below steps
1. Upload an image on the firewall signed by the old key.
2. Once that is done the firewall will boot without throwing the same error.
3. Once booted run the command “delete crypto auth key”
4. Run the command “exec pki test skey” to verify. (Output should be all zeros)
5. Then you can load latest version.
For more Clarification Kindly find the below docs
https://kb.juniper.net/InfoCenter/index?page=content&id=TSB16495&actp=METADATA
The below docs will help in upgrade/load ScreenOS software via the Boot/Diag mode
You do need a TFTP server on your laptop and this connected to the device with the files for the process installed and follow the steps in below KB
https://kb.juniper.net/InfoCenter/index?page=content&id=KB5519&actp=search
If this solves your problem, please mark this post as "Accepted Solution".
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