Password complexity

From: TomG (anonymous_at_discussions.microsoft.com)
Date: 09/30/04 

Date: Wed, 29 Sep 2004 17:14:48 -0700

I want to create a password complexity policy that
requires users' passwords to be at least seven characters
in length and include some combination of letters and
numbers. I can't seem to locate the necessary steps on
doing this. Please help! My job may depend on it (no
joke). Thanks.

Tom G.