This is handled by the UniVerse Resource Service.  It has the main task of 
remaining attached to the system (and BASIC Catalog and NLS, where applicable) 
shared memory segments, so that Windows doesn't remove same when there are no 
other users attached to them.  Since it doesn't have much else to do, it looks 
after login authentication, which nicely solves the single-threading of 
allocation of UniVerse user numbers (it uses the PID in any case).

As to the specific DLL or system call, I'm afraid you will need to ask IBM that 
question.  Such information is not in the public domain.

----- Original Message -----
From: "Barry Brevik" <[EMAIL PROTECTED]>
To: "U2-users (E-mail)" <[email protected]>
Subject: [U2] [UV] How does UV authenticate to Windows
Date: Mon, 11 Jul 2005 14:26:26 -0700

> 
> UV 9.6.1.3 on Windows 2000.
> 
> This question came up on our SOX audit. Specifically how does UV
> authenticate a user to Windows at login time?
> 
> UV appears to know about Active Directory, because I do not have to define
> users on the machine running UV (I have had *some* exceptions to that rule).
> However, a year ago we did not have an active directory and it still worked
> fine.
> 
> Anyone know the answer? The specific DLL or system call is my goal.
> 
> Barry Brevik
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