How do I locate an object using its sid in a multi-forests environ

From: Pucca <Pucca@xxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 2 Apr 2008 14:06:02 -0700

Hi, I'm using vs2005, .net2 for a windows applicaiton. I need to bind to an
AD object (user, group or computer) and I only have its sid. This object
could locate in a domain outside of my current forest, in a multi-forests
environment.
1. How can I find the path to this object?
2. How to find the domain name that this object is located.
3. If this object is not in current forest, then, how can I verify if the
forest/domain that this object is at has a valid external trust configured
with my current forest?

Any help in any of the above issue is greatly appreciated.

Thank you.
--
Thanks.
.

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