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Could not connect to a specific port on a remote machine

Anas TINA asked
Last Modified: 2019-07-06
I have a remote machine runs a managed windows service which exposed a WCF on a specific port.

<endpoint address="net.tcp://" binding="netTcpBinding" contract="ECMS.Business.Contracts.ISecretaryService" bindingConfiguration="EcmsNetTcpBinding" />

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I made sure that the service is listening on the port locally by using "portqueryui.exe" utility from Microsoft.

I used the same utility to test the connection to the remote machine, port. It gives that unknown service is NOT LISTENING.

The remote machine is pingable!
I added firewall rules for the port. I turned off the windows defender with no luck.

Please help,
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