if( getUncPath0().length() == 1 || dest.getUncPath0().length() == 1 ) {
            throw new SmbException( "Invalid operation for workgroups, servers, or shares" );
        }

        resolveDfs(null);
        dest.resolveDfs(null);

        if (!tree.equals(dest.tree)) {
            throw new SmbException( "Invalid operation for workgroups, servers, or shares" );
        }

        if( log.level >= 3 )