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    <p>Let me start with <a href="http://support.microsoft.com/kb/323750" rel="noreferrer">http://support.microsoft.com/kb/323750</a> which contains Visual Basic and VBScript examples and <a href="http://www.anitkb.com/2010/03/how-to-implement-active-directory.html" rel="noreferrer">http://www.anitkb.com/2010/03/how-to-implement-active-directory.html</a> which outlines how the maxPwdAge OU setting impacts computers, not users. It also has a comment pointing to <a href="http://www.microsoft.com/downloads/en/details.aspx?FamilyId=7AF2E69C-91F3-4E63-8629-B999ADDE0B9E&amp;displaylang=en" rel="noreferrer">AloInfo.exe</a> as a tool from MS that can be used to get password ages.</p> <p>Here is the example:</p> <pre><code>using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.DirectoryServices; namespace LDAP { class Program { static void Main(string[] args) { string domainAndUsername = string.Empty; string domain = string.Empty; string userName = string.Empty; string passWord = string.Empty; AuthenticationTypes at = AuthenticationTypes.Anonymous; StringBuilder sb = new StringBuilder(); domain = @"LDAP://w.x.y.z"; domainAndUsername = @"LDAP://w.x.y.z/cn=Lawrence E."+ " Smithmier\, Jr.,cn=Users,dc=corp,"+ "dc=productiveedge,dc=com"; userName = "Administrator"; passWord = "xxxpasswordxxx"; at = AuthenticationTypes.Secure; DirectoryEntry entry = new DirectoryEntry( domain, userName, passWord, at); DirectorySearcher mySearcher = new DirectorySearcher(entry); SearchResultCollection results; string filter = "maxPwdAge=*"; mySearcher.Filter = filter; results = mySearcher.FindAll(); long maxDays = 0; if(results.Count&gt;=1) { Int64 maxPwdAge=(Int64)results[0].Properties["maxPwdAge"][0]; maxDays = maxPwdAge/-864000000000; } DirectoryEntry entryUser = new DirectoryEntry( domainAndUsername, userName, passWord, at); mySearcher = new DirectorySearcher(entryUser); results = mySearcher.FindAll(); long daysLeft=0; if (results.Count &gt;= 1) { var lastChanged = results[0].Properties["pwdLastSet"][0]; daysLeft = maxDays - DateTime.Today.Subtract( DateTime.FromFileTime((long)lastChanged)).Days; } Console.WriteLine( String.Format("You must change your password within"+ " {0} days" , daysLeft)); Console.ReadLine(); } } } </code></pre>
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    1. POActive Directory user password expiration date .NET/OU Group Policy
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    1. USLarry Smithmier
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    1. POActive Directory user password expiration date .NET/OU Group Policy
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    1. COAh, re-reading I notice that your server environment is 2003, so you don't get to use the Fine Grained Password Policies outlined in http://technet.microsoft.com/en-us/library/cc770394%28WS.10%29.aspx since it requires 2008+. I believe the article listed is a solution that covers any scenario you have.
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      1. USLarry Smithmier
    2. COyes I am familiar with that example to read the maxPwdAge value through the filter. But my question is..does the value get overwritten if a group policy object that governs passwords exists for a user? If that value does not get overwritten by the fact that there is a gpo defined for that specific user, than the code you provided is no good. I am to verify that now..
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    3. COwas able to return to the task. As suspected your code will not suffice for a general password expiaration detection. The reason being a GPO can override Default Domain Policy at any level. What needs to be used, looks like, is this: http://www.pinvoke.net/default.aspx/advapi32.lsaopenpolicy
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