I seem to have Globalprotect working fine for access to any internal resource.
The one thing that does not seem to be working is the connection Citrix Receiver (PNAgent legacy version 13.3) makes to our internal Citrix Web Interface / Services site.
I'm getting the error "citrix receiver could not contact the server. please check your network connection"
I'm starting to think this is a Globalprotect issue, because:
Anyone recognise this ? Anything else I can try ?
We had this problem also with some laptops. The issue was udp fragmentation. Some nic's didn't do udp fragmentation.
So they could see loginpage of frontstore of citrix and when logging in they could't coonnect to server backend.
We didn't have pathmtu on the connections and icmp was disabled. Solution was that citrixteam were goging to push smaller mtu on citrixreceiver via the config.xml file
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