If you need to identify the physical machine, you can check for the network card's serial number. Check Message ID: 1078322.

>>Ah ok, Many thanks,
>
>Would it then be possible for an ordinary user to change the machine name & ulimately change the access of the machine?
>
>I presume if the logged on use doesnt Administrator rights they cant change the computer name?
>
>>
>>>Someone already pointed out that the first part of SYS( 0 ) returns the machine (NetBIOS) name.
>>>
>>>>Thanks for that, I was hoping to just pick a machine name or whatever, it needs to be guided by the actual physical machine IE one machine in CANNING is able to CAN TAB, a mching in weighing is able to amend WEIGHTING TAB.
>>>>
>>>>>>I have an application where I want to grant access to certain menu options depending on which machine it is on a network.
>>>>>>
>>>>>>Whats the best way to achieve this?
>>>>>>
>>>>>>I want a supervisor to be able to say MACHINE X in CANNING has access to the CANNING TAB for example or
>>>>>>machine Y is an administrator in the office so has full access to all of the programs.
>>>>>>
>>>>>>Is the easiest way to detect the current users login name?
>>>>>
>>>>>You've got answers to that - but if you want a 'supervisor' to control this externally you should maybe assign rights to windows *groups* and let the supervisor control which users belong to a specific group. Would be a doddle in .NET but I'm not sure how you would do this in VFP beyond the fact that you'd need the WINAPI CheckMembershipToken function....
>>>>>
>>>>>UPDATE: Found this from Sergey: http://www.berezniker.com/content/pages/visual-foxpro/-user-member-administrators-group
>>>>>but it's working with a built-in role whereas you would need to specify the role.....