I'm a solaris teamsite user, so it's not easy... but maybe 2 suggestions.- use double quotes " instead of single quotes '- drop the //server from the vpath
iwsubmit -w -u -c "global comment in double quotes" //servername/default/main/Portal/abc/WORKAREA/wa1/Form "file comment in double quotes"
dir "c:\program files"
dir 'c:\program files'
I'm thinking windows does not like the single quotes.