I have an active ticket with PA but struggling to get through to anyone atm. We have recently made some routing changes and moved the Azure IPSec tunnel from an SRX to a PA. The tunnel came up fine but we are having a weird issue with RDP. It's like the tunnel is only allowing so many sessions across. Some users have to try about 10 times to get RDP to work. When RDP fails there is no sign of the traffic in PA logs so it's like its not leaving AZ. System/VPN logs look fine. Ping and traceroutes from both side are fine as well.
I have never come across anything like this with a tunnel before.. The only thing I am thinking of changing next is the SKU on the tunnel to see if it's a throughput issue.
Any input appreciated.
Luke | PCNSE
You can check the link below if it helps:
For clientless VPN you can see:
Good thing to know about RDP and usernames:
Also check for known rdp bugs with your version for example:
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