This optional parameter allows you to specify that each user
must be the member of at least one of the named Windows Global or Local
groups. More than one required group can be specified, one per Group line.
Requires Win32::NetAdmin (which may require separate installation with
Strawberry Perl). If no Group parameters are specified, then Group checks
will not be performed.
# Each user must be in Administrators and/or Domain Users
Group Administrators
Group Domain Users