Device Certificate unable renew automatically

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Device Certificate unable renew automatically

L2 Linker

Hi All,


Previously, the firewall PAN-PA-1420 had "Failed to renew device certificate. Invalid request. Authentication failed" until the device certificate status became Expired. This triggered an alert because the firewall couldn't establish a connection with the cloud service.


However, the issue was resolved by manually renewing the device certificate using the command "request certificate fetch." and the device certificate is now valid.


According to the documentation, the firewall should automatically attempt to reinstall the device certificate 15 days before it expires. Restore an Expired Device Certificate (


  1. What caused the firewall to be unable to automatically renew the device certificate before it expired?
  2. How often does the firewall try to renew the certificate in the 15 days before it expires?

Thank you.


L4 Transporter

Hello @Aniq_Razak - there are multiple reasons this process could fail, generally related to network connectivity issues.  What version of PAN-OS are you using on your PA-1420?


Iain Robertson
Senior Customer Success Engineer, NGFW, Palo Alto Networks

Hi @iarobertson - thank you for your response. Currently running PAN-OS 11.0.1-h2

L4 Transporter

Is your connection via a proxy, or direct to the internet, @Aniq_Razak ?

Iain Robertson
Senior Customer Success Engineer, NGFW, Palo Alto Networks
  • 3 replies
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