Solution
For list of reasons WinSCP cannot parse directory listing and possible resolutions, see documentation.
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This may be the wrong question, but is there any setting in WinSCP to customize the directory listing command that it uses?
There is an option "Alias LS to display group name" on SCP tab of login dialog.
This may be the wrong question, but is there any setting in WinSCP to customize the directory listing command that it uses?
Yes, WinSCP needs the group name.
ls -lg
Could it be that WinSCP is expecting the group to be included with an LS -l command, and on Solaris this is not the default?
Error listing directory "/home/qcdnd".
Unexpected directory listing line "drwxr-xr-x 6 qcdnd 512 May 12 14:48 .".
Operation aborted