C# ActiveDirectory UserPrincipal.SetPassword() ignores password history in password policy

ananthanunni asked:

Hi.

I am developing a library for active directory operations like authentication, create user, delete user, enable/disable user and change password.

My library works fair except a few bugs.

Issue #1. When I call...

UserPrincipal.SetPassword(somePassword);

...the password is simply set even if I try with the previous password when the Enfore Password History policy is set with a value 9 passwords remembered. When this policy is active, my password change code is expected to fail because it is a recently used one. But my code simply sets the new password. Any idea about how to fix this?

Issue #2. When I set a password, the password is rejected if the complexity requirement is not met. Is there any idea to retrieve the active password policy settings so that I can display a friendly message to the end user?

Tags: C#, Windows, ASP.NET, SQL Server 2008, LDAP, Authentication

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