Error syncing Desktop Center Server and Secure Gateway Server

Error syncing Desktop Center Server and Secure Gateway Server

Hi everybody,

I have configured the Secure Gateway Server connection with the Desktop Central Server in Windows Server 2016.
The firewall has opened the ports: 8383, 8443, 8027, 8031, 8384.
The installation of Secure Gateway Server has been successful and has started.
But when I check synchronization on the Desktop Central Server, the error message.
Can someone show me the steps I've missed?
(Details in the attached image)
Thank you very much.




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