When a user is connected to Global Protect VPN and try login into the adobe acrobat pro-DC application,
GP VPN kick out from the adobe program.(Unable to login into the program)
it works normally (will give login when not using GP or normal internet), which means the user is able to login into the application when not connected Via GP VPN.
Okay, well decryption would have explained the behavior better because Adobe CC needs to have some manual exclusions setup. If you aren't using decryption however, really the only thing left is making sure that you are actually allowing traffic to pass properly.
Make sure that you have a rule logging your interzone denies, or override the interzone-default entry to log, and have someone try this again so it's logged in your traffic logs. Then make sure that you aren't seeing any related denied traffic between your GlobalProtect zone and your untrust zone for that host. Since you aren't decrypting the traffic, something is likely just being dropped during the Adobe CC authentication process.
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