our VM-300Firewall has the same issue , where Panorama was running on 9.0.9
Firewall on 8.1.16(after upgrade- i too faced the same error for temp i have downgraded the OS version again to 8.1.15-h3 and it working up .
Its has to be bug with version 8.1.16.
Error:CreateRemoteAPPwebsession:Responce code received 302
The latest update to Chrome 85 has fixed the "Connect through NAT'd connection" issue. Currently using Chrome 85.0.4183.102, and I can login to Panorama again.
The fix for the "Switch device context" issue is targeted for 8.1.17 sometime in October.
Correct. The issue is with PanOS 8.1.16. If the firewalls are running that, Panorama can't switch device context to them. You need to downgrade Panorama and the firewalls to 8.1.15.
Or, 8.1.17 has been released, and they say this has been fixed with that release. We haven't upgraded any firewalls yet to test this.
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