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Problem with commuunication Real time target

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How solve this problem:
Error occurred while executing External Mode MEX-file 'rtcon_ext_comm': Unable to establish TCP connection with real-time target 'DESKTOP-LTIIU2K' for the external mode comm socket. Verify that your real-time target is serving on port '17725'.

Answers (1)

Stefanie Schwarz
Stefanie Schwarz on 3 Jan 2023
Hi Piotr,
I hope you have resolved the issue in the meantime; the first thing I would check are the firewall and antivirus software settings on your PC, maybe port 17725 is blocked.
This article provides a good starting point for troubleshooting communication problems with Simulink Real-Time targets: https://www.mathworks.com/matlabcentral/answers/1622360-troubleshooting-connection-issues-with-speedgoat-target-computers
For furter assistance, please contact us: https://www.mathworks.com/support/contact_us.html#PL
HTH, Stefanie

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