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Active Directory user password expiration date .NET/OU Group Policy

Let me start with http://support.microsoft.com/kb/323750 which contains Visual Basic and VBScript examples and http://www.anitkb.com/2010/03/how-to-implement-active-directory.html which outlines how the maxPwdAge OU setting impacts computers, not users. It also has a comment pointing to AloInfo.exe as a tool from MS that can be used to get password ages. Here is the example: using System; using System.Collections.Generic; using … Read more

Memory Leak when using DirectorySearcher.FindAll()

As strange as it may be, it seems that the memory leak only occurs if you don’t do anything with the search results. Modifying the code in the question as follows does not leak any memory: using (var src = mySearcher.FindAll()) { var enumerator = src.GetEnumerator(); enumerator.MoveNext(); } This seems to be caused by the … Read more

IIS application using application pool identity loses primary token?

Through Microsoft Support I found out that we ran into the issue described in Microsoft Knowledge Base article KB2545850. This only occurs when ApplicationPoolIdentity is used. It occurs very easily, namely, after the machine account password is changed (which by default happens automatically every 30 days), and then IIS is restarted (e.g., through iisreset). Note … Read more