Can you run the:
/opt/vmware/share/build/datastore --verbose --put --server vcenter.com --port 443 --user bahamas\admin --datastore 'san8' --folder '192.88.51.209_Tenacity.4' --file '/opt/vmware/www/build/Tenacity.4/192.88.51.209_Tenacity.4_provstart.iso' --datacenter 'dcenter1'
with the --debug option as well? You will be prompted for a password unless you provide a --password as well.