Problem Summary
Initial connections to HVR on remote Linux machine work OK, but after a certain number of simultaneous connections (e.g. 10), the following error occurs;
F_JT04CA: Start of remote child process 'remote_connect' on node '10.40.90.555' and port 4343 failed abruptly. This could be a network problem or a fatal error in the child co-process.
Answer
To the solve this problem the inetd configuration needs to be changed.
Adding the following lines to /etc/xinet.d/hvr and restarting xinetd solved the problem;
cps = 10000 30 per_source = 100 instances = 500