Computer Group Member****p

sorry for crossposting

memberof is listed as an attribute for computer objects but returns an 
automation error when attempting to access it using the following code:

            For Each strGroupName In objComputer.memberOf
                Set strGroup = GetObject("LDAP://" & strGroupName)
                x = x + 1
                ReDim Preserve arrDetail(x)
                arrDetail(x) = strGroup.CN
            Next

This is identical to the code I use to pull the list of groups a user 
belongs to, in searching on the internet I read that because a computer 
doesn't have a default group, this code won't work, is that in fact a true

statement?