Load test - Socket error - Out of memory errors

I am getting  the below error.



Request #0 of connection #12 of the virtual user [Master] (3) failed.



Connection 0: The following socket error occurred during simulation:

10061: ?onnection refused.




And the test execution is continuing for hours( but there is no indication of happening something in "Runtime Graphs" or "Execution Progress" windows).



I am getting these problems with Master(localhost) and slaves too.

Both master and slaves are XP machines and RAS also installed & running.



I am unable to export the log too. IT is giving "Out of Memory" error.



TC is telling anything about the warnings in log. I mean what type & where that warning raised.