Additional information requested:
In addition to the details provided here, please share the following logs/information:
2)RFC trace file. Please refer the KB article 18990 to enable tracing (https://kb.informatica.com/howto/1/Pages/18990.aspx)
3) Please provide the saprfc.ini file that you are using.
Uma Mahesh Chalasani
You need to be sure the sapmsTSR entry is available within the /etc/services file on linux/unix box