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[omid.sarbakhshian]

I am trying to run a FSI model with fluent and transient structural and get the following error in transient structural
 MAPDL is unable to connect to the system coupling service on            
 DESKTOP-FAM6L5S.ozyegin.edu.tr through port 53187.  Check the -schost   
 and -scport options on the MAPDL command line in the System Coupling    
 analysis and ensure that the host name and the port number are          
 correct.

[Harshvardhan]

Hi,
Here is a FAQ similar to your problem:
When I start a System Coupling analysis, I get error messages similar to the following (but maybe with a different port number): CFX: — ERROR #001100279 has occurred in subroutine ErrAction. Message: ANSYS CFX is unable to connect to the system coupling service on 0.0.0.0 through port 49755. Please ensure that the host name and the port number are correct. Mechanical: — *** FATAL *** CP = 1.388 TIME= 13:45:41 MAPDL is unable to connect to the system coupling service on 0.0.0.0 through port 49755. Please check ANSYS execution options -schost and -scport for a System Coupling analysis and ensure that the host name and the port number are correct. I checked that the port is not blocked by my firewall. What could be the reason for the failure? | Ansys Knowledge

I hope this helps.

Regards,
Harshvardhan
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