I developed some ACtiveX controls that deal with users and groups on NT. The NTGroup control does what you want. I can send you an eval version by email. Please let me know if you're interested.

Vlad

>I'm trying to determine a user's NT Group membership(s). I'm thinking that there should be some sort of ready-made DLL or something that I can instantiate and call. Anyone know where this information might be found?
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>I do not want to SET an environment variable with a script as this will require maintenance & management time. Rather, I'd like to simply call the NT built-in API if any.
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>Thanks!