A: PAN-OS 9.1.x ended support on December 14, 2024. The minimum supported version today is PAN-OS 10.0.x (though 10.1.x is strongly recommended).
request panorama disconnect request panorama connect Then verify with:
debug software restart management-server If that fails, a full power cycle is required. Solution: The PA-220’s checksum validation is CPU-intensive. Wait 10 minutes. If still stuck, cancel, delete the partial download from /opt/panrepo/cache , and retry using a local HTTP server to bypass CDN corruption. Issue 4: Panorama connectivity lost after upgrade Solution: The PA-220 firmware might have changed encryption ciphers. Re-establish the connection: pa-220 firmware
show system disk-space Ensure you have at least . The PA-220 firmware requires space for the download, extraction, and a rollback partition. 2. Backup Configuration Never assume the upgrade will preserve your config. Export a named configuration snapshot:
A: No. The configuration persists across upgrades. However, if you restore a factory default, you will lose the config. A: PAN-OS 9
By following the pre-upgrade checklist, understanding the naming scheme, and knowing how to troubleshoot boot loops and disk space errors, you ensure that your PA-220 continues to deliver 1 Gbps of threat inspection for years to come.
A: Yes. Format a USB drive as FAT32, place the firmware .iso in the root directory, rename it to panos.img , and insert it during boot. The PA-220 will automatically install. This article is maintained for network security professionals. For specific PA-220 firmware download links, please refer to your official Palo Alto Networks support account. Issue 4: Panorama connectivity lost after upgrade Solution:
Before every upgrade, back up your config. After every upgrade, test your dataplane. And always, always read the release notes. Frequently Asked Questions (FAQ) Q: Can I downgrade PA-220 firmware? A: Yes, but only to versions within the same major release branch (e.g., 10.1.6 → 10.1.4). Downgrading across major versions (11.0 → 10.1) often corrupts the configuration database.