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Network Security Focus-Microsoft
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Re: UF_PASSWD_NOTREQD user account flag

Subject: Re: UF_PASSWD_NOTREQD user account flag
Date: Thu, 17 Mar 2005 20:48:36 +0100
Thanks for all your replies, it helped a lot. 

I've performed some more testing, and it showed up that the best explanation 
(because th shortest) is Scott's "It does not mean the password IS empty, but 
that it CAN be empty". 

Some interesting (at least for me) details found as I've played with accounts:
-- non-privileged user is always bound by (global) minimal required password 
length, so even the user with UF_PASSWD_NOTREQD flag set cannot change its 
password to empty one if min_pwd_len > 0
-- admin can change user's password to empty iff either min_pwd_len = 0 or 
user has  UF_PASSWD_NOTREQD set
-- and finally, even admin cannot set non-empty password shorter than 
min_pwd_len regardless of UF_PASSWD_NOTREQD flag

Petr

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