Hello,

I'm having issues running ANSYS CFX calculations across multiple nodes. 
Single-node simulations run fine, but multi-node configurations crash because ssh connections are being denied:

" +--------------------------------------------------------------------+
 |                An error has occurred in cfx5solve:                 |
 |                                                                    |
 | Remote connection to ncm0791.hpc.itc.rwthaachen.de                 |
 | (ncm0791.hpc.itc.rwth-aachen.de) could not be started, or exited   |
 | with return code 255.  It gave the following output:               |
 |                                                                    |
 |    Permission denied (publickey,gssapi-keyex,gssapi-with-mic,pass- |
 | word,hostbased).                                                   |
 |                                                                    |
 | Check that you have typed the hostname correctly, and that you     |
 | have an account "tg084461" on the specified host with access       |
 | permission from this host.  You can use the following command to   |
 | check the connection to a UNIX machine:                            |
 |                                                                    |
 |   ssh ncm0791.hpc.itc.rwth-aachen.de uname                         |
+--------------------------------------------------------------------+"

Am I missing something in my submission script, or is this a cluster config issue?

Regards,
Thomas Gier