After updating to10.2.1 and 6.0.2 GlobalProtect client I could not connect to VPN.
The problem was occurred for one endpoint. So I used the second one to connect and update the client.
Also the DNS(for split tunnel) was not work. I had to make "virtual change", just to press the OK button and commit. After that DNS was working. Also the HA was not working and with the same work around it did.
With iPhone the problem s that although login successful the status is disconnected.
So it sounds like post upgrade the configuration migration to 10.2 wasn't handled 100% correctly during the upgrade process. That happens occasionally and the candidate-config kind of corrects itself into a usable format which is why those commits "fixed" the issue.
If I'm reading the remaining issue correctly, you're saying that when you connect via the iPhone you immediately get disconnected? Do you have a GlobalProtect subscription to allow you to use the mobile client? Is their anything on the firewall's GlobalProtect logs for the client pointing towards any issues with agent profiles or the like?
Same issue here with PA-220, PAN OS 10.2.3 (GlobalProtect Client on PA is: 6.1.0). iOS Clients cannot connect anymore after upgrading PAN-OS on firewall device. Windows/MacOS clients can connect... logs seem fine.
We did some testing with new/blank IOS devices, where we didn't have any error. Several IOS devices are still not able to connect. Reset/Restarts didn't work. IOS 16 also affected. I guess there should be an app update for Global Protect app in appstore from palo alto or a PAN OS update on Firewall?
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