We are unable to connect one client to the tunnel server.
The error shown in hub.log on the client side is error 0x14090086 certificate verify failed
Release : 20.3
Component : UIM - HUB
This is caused by a firewall policy which does not allow self-signed certificates in the chain. The UIM Tunnel server by default uses a self-signed certificate to authenticate the clients, and the firewall must allow this.