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WinDev Forum
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vor 1 Jahr, 2 Monaten
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Beteiligte Autoren:
Rik, Jose Antonio Garrido, Stewart Crisler

[WD/WM] Socket server

Startbeitrag von Rik am 06.03.2017 12:54

Hello all,

My app makes use of socket server, it will send a picture from the mobile device to the desktop. It is practically the same as the Socket server example from Windev. This works perfectly for all of my clients except 1.

I can not really identify this problem because this only happens on 2 of the 5 desktops.
- They are in the same subnet
- Firewall is off
- Virusscanner is off
- Exactly the same machine's (HP Prodesk)
- Same network/WiFi router

Has anyone a suggestion of what might be the problem or did someone encounter the same problem? Or how I could test what the problem might be. All help would be really appreciated!

Thanks in advance,


First see if "ping to IP" command works correctly.
Second, see if "trace to IP and to Port Number" works correctly.
I'm pretty sure one of the two will not work.
You can use them from windows command line.
If you have Windows 7 or newer, Telnet is an optional component that you can add from "add or remove programs"
José Antonio.

von Jose Antonio Garrido - am 06.03.2017 15:56
What port number are you using? My guess is that another application is already using the port you are trying to use.

Stewart Crisler

von Stewart Crisler - am 06.03.2017 18:40
Hello Jose and Stewart,

Thank you for your fast responses.
I will have a look at the Telenet application!

For this application I use the standard port 5010, a quick search on google showed that Yahoo messenger uses this port. I am not sure if they use it, probably not.
I will try changing the port number, any suggestions?


von Rik - am 06.03.2017 21:59
Well, you can use the command, "NETSTAT -noa" to see what process have network connections alive,
You will see one column that is the port number, the on that row see what the process ID (PID). For example, PID 367
The Open Task Manager and see what process name correspond to PID 367.

José Antonio.

von Jose Antonio Garrido - am 07.03.2017 13:34
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