The remote machine is red hat 6.9 machine.
It is on the same network as the vcenter.
The process just gets stuck on 1%.
converter is the latest 6.2 Build
If the Helper VM appears and can't connect to *source* machine, verify the "VM Network" selected for Helper VM and connection possibility between HelperVM and source machine.
HTH
I am not familiar with the Helper vm stuff, what do you mean when you say to verify the "VM Network".
You need connectivity between HelperVM and source Linux machine.
Read documentation about this: Select a Powered On Linux Machine to Convert
there is a connection between the source machine and the vmhelper.
At 1% and this error message, the problem is not helper to source connection, it is worker to helper connection,
Can you upload the worker log to have a look? It can be found in "%ALLUSERSPROFILE%\VMware\VMware vCenter Converter Standalone\logs" on the converter server machine.