A connection attempt failed because the connected party did not properly respond

Hi All,

Trying to install orchestrator using 3-tier architecture.
DB <-> App_Server <-> Proxy_Server <-> Client Machines (Robot/Studio)
We have successfully installed Orchestrator in the App_Server, did reverse proxy setup in the Proxy_Server.
When we trying to connect robot (From Client Machine) with Orchestrator(Proxy_Server) cannot connect. Please find the below error screenshot:

Find the Event Viewer Logs:

Kindly advise…

Thanks in advance!

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