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POError changing password of user using WinNT string connection (and authenticating the current password)
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  1. POError changing password of user using WinNT string connection (and authenticating the current password)
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    copied!<p>I am developing a website which will authenticate the user and change the old password with new password. </p> <p>I am using WinNT string connection and setting password, without the old password check, works.</p> <p>My code is as below:</p> <pre><code>'actual setting password Dim entryD As New DirectoryEntry("WinNT://" + Environment.MachineName + ",computer") Dim NewUser As DirectoryEntry = entryD.Children.Find(username, "user") Dim nativeobject As Object = NewUser.NativeObject NewUser.Invoke("SetPassword", New Object() {strPassNew}) NewUser.CommitChanges() 'setting password ends </code></pre> <p>This works fine, but authentication code is not working.</p> <p>It is as below:</p> <pre><code>'authentication starts Dim adsiPath As String adsiPath = String.Format("WinNT://{0}/{1},user", domain, username) Dim userEntry = New DirectoryEntry(adsiPath, username, password, AuthenticationTypes.Secure) 'Dim nativeobject1 As Object = userEntry.NativeObject Dim newobj As ActiveDs.IADsUser = userEntry.NativeObject authent = True 'authentication ends </code></pre> <p>This authenticates but the exception which it throws is:</p> <pre><code>logon failure: unknown username or bad password </code></pre> <p>for the first time, but if i do it again the error is:</p> <blockquote> <p>"Multiple connections to a server or shared resource by the same user, using more than one user name, are not allowed. Disconnect all previous connections to the server or shared resource and try again. "</p> </blockquote> <p>Which I don't want to happen... I don't want to use LDAP, I want a solution please, to authenticate the old password. Please help?</p>
 

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