Just in case anybody encounters this problem again, I cannot confirm or deny if this worked for me (because I already reformatted) but I accepted the following answer on serverfault, which nobody else seemed to know about (including me.)
http://serverfault.com/questions/620202/windows-file-explorer-using-port-80-webdav-instead-of-445-samba-smb-cifs-for _______________________________________________ Tech mailing list Tech@lists.lopsa.org https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech This list provided by the League of Professional System Administrators http://lopsa.org/